Upgrade GitHub actions

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+- package-ecosystem: "github-actions"
+  directory: "/"
+  schedule:
+    interval: "monthly"

.github/workflows/testing.yml

@@ -10,7 +10,7 @@ jobs:
     name: Test run action (triggers warnings)
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: ./
       with:
         path: example
@@ -21,7 +21,7 @@ jobs:
     name: Test run action (valid)
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: ./
       with:
         path: example_valid
@@ -30,7 +30,7 @@ jobs:
     name: Test run action (valid with custom Flake8)
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: pip install flake8==3.8.0
     - uses: ./
       with:
@@ -40,7 +40,7 @@ jobs:
     name: Test run action (valid with Flake 3.8.0)
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: ./
       with:
         path: example_valid
@@ -50,8 +50,8 @@ jobs:
     name: Test run action (valid with Python 3.9)
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-python@v3
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
       with:
         python-version: 3.9
     - uses: ./
@@ -62,31 +62,31 @@ jobs:
     name: Test run action (plugins)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: ./
-        with:
-          plugins: flake8-bugbear
-          path: example_bugbear
-          only_warn: 1
+    - uses: actions/checkout@v4
+    - uses: ./
+      with:
+        plugins: flake8-bugbear
+        path: example_bugbear
+        only_warn: 1
 
   run_action_with_classes:
     name: Test run action (classes)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: ./
-        with:
-          plugins: flake8-bugbear
-          path: example_bugbear
-          warning_classes: E,F
-          error_classes: W,B
-          only_warn: 1
+    - uses: actions/checkout@v4
+    - uses: ./
+      with:
+        plugins: flake8-bugbear
+        path: example_bugbear
+        warning_classes: E,F
+        error_classes: W,B
+        only_warn: 1
 
   run_action_with_extra_arguments:
     name: Test run action (extra arguments)
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: ./
       with:
         path: example_length
@@ -96,7 +96,7 @@ jobs:
     name: Check for spelling errors
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: codespell-project/actions-codespell@master
       with:
         check_filenames: true

README.md

@@ -4,25 +4,25 @@
 [![GitHub Tag](https://img.shields.io/github/v/tag/TrueBrain/actions-flake8?include_prereleases&label=stable)](https://github.com/TrueBrain/actions-flake8/releases)
 [![GitHub commits since latest release](https://img.shields.io/github/commits-since/TrueBrain/actions-flake8/latest/main)](https://github.com/TrueBrain/actions-flake8/commits/main)
 
-This GitHub Actions runs flake8 over your code.
+This GitHub Actions runs [flake8](https://github.com/PyCQA/flake8) over your code.
 Any warnings or errors will be annotated in the Pull Request.
 
 ## Usage
 
-```
+```yaml
 steps:
-- uses: actions/checkout@v3
+- uses: actions/checkout@v4
 - uses: TrueBrain/actions-flake8@v2
 ```
 
 By default, it uses the default Python version as installed on the GitHub Runner.
 
 ### Different Python version
 
-```
+```yaml
 steps:
-- uses: actions/checkout@v3
-- uses: actions/setup-python@v3
+- uses: actions/checkout@v4
+- uses: actions/setup-python@v5
   with:
     python-version: 3.9
 - uses: TrueBrain/actions-flake8@v2
@@ -36,19 +36,19 @@ In some cases you might want to pin a certain flake8 version.
 
 This parameter is optional; by default the latest flake8 will be installed (if no flake8 is installed yet).
 
-```
+```yaml
 steps:
-- uses: actions/checkout@v3
+- uses: actions/checkout@v4
 - uses: TrueBrain/actions-flake8@v2
   with:
-    flake8_version: 3.8.0
+    flake8_version: 6.1.0
 ```
 
 Alternatively, you can pre-install flake8 before executing this action:
 
-```
+```yaml
 steps:
-- uses: actions/checkout@v3
+- uses: actions/checkout@v4
 - run: pip install flake8==3.8.0
 - uses: TrueBrain/actions-flake8@v2
 ```
@@ -62,9 +62,9 @@ This can be useful if your project is more than Python code.
 
 This parameter is optional; by default `flake8` will run on your whole repository.
 
-```
+```yaml
 steps:
-- uses: actions/checkout@v3
+- uses: actions/checkout@v4
 - uses: TrueBrain/actions-flake8@v2
   with:
     path: src
@@ -76,24 +76,23 @@ Indicates errors and warnings to skip.
 
 This parameter is optional; by default no alerts will be ignored
 
-```
+```yaml
 steps:
-- uses: actions/checkout@v3
+- uses: actions/checkout@v4
 - uses: TrueBrain/actions-flake8@v2
   with:
     ignore: E4,W
 ```
 
-
 ### Parameter: max_line_length
 
 Indicates the maximum allowed line length.
 
 This parameter is optional; by default flake8's default line length will be used.
 
-```
+```yaml
 steps:
-- uses: actions/checkout@v3
+- uses: actions/checkout@v4
 - uses: TrueBrain/actions-flake8@v2
   with:
     max_line_length: 90
@@ -107,9 +106,9 @@ All errors and warnings are annotated in Pull Requests, but it will act like eve
 
 This parameter is optional; setting this to any value will enable it.
 
-```
+```yaml
 steps:
-- uses: actions/checkout@v3
+- uses: actions/checkout@v4
 - uses: TrueBrain/actions-flake8@v2
   with:
     only_warn: 1
@@ -121,9 +120,9 @@ List of plugins to install before running, This is passed directly to `pip insta
 
 This parameter is optional; setting this to any value will enable it.
 
-```
+```yaml
 steps:
-- uses: actions/checkout@v3
+- uses: actions/checkout@v4
 - uses: TrueBrain/actions-flake8@v2
   with:
     plugins: flake8-bugbear cohesion==0.9.1
@@ -135,9 +134,9 @@ List of flake8 [error classes](https://flake8.pycqa.org/en/latest/glossary.html#
 
 This parameter is optional; by default `E` and `F` classes will be considered errors.
 
-```
+```yaml
 steps:
-- uses: actions/checkout@v3
+- uses: actions/checkout@v4
 - uses: TrueBrain/actions-flake8@v2
   with:
     error_classes: E,H
@@ -149,9 +148,9 @@ List of flake8 [error classes](https://flake8.pycqa.org/en/latest/glossary.html#
 
 This parameter is optional; by default all classes not contained in `error_classes` will be considered a warning.
 
-```
+```yaml
 steps:
-- uses: actions/checkout@v3
+- uses: actions/checkout@v4
 - uses: TrueBrain/actions-flake8@v2
   with:
     warning_classes: W,B,D
@@ -164,9 +163,9 @@ Useful when you need to give an argument this action otherwise doesn't supply (l
 
 This parameter is optional; by default it is empty.
 
-```
+```yaml
 steps:
-- uses: actions/checkout@v3
+- uses: actions/checkout@v4
 - uses: TrueBrain/actions-flake8@v2
   with:
     extra_arguments: "--hang-closing"