Bump CI dependencies

Author: suricactus

.github/workflows/continuous_integration.yml

@@ -11,16 +11,16 @@ on:
 jobs:
   code_check:
     name: Code check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
 
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: 3.12
           cache: 'pip'
 
       - name: Install formatter
@@ -31,16 +31,16 @@ jobs:
 
   unit_tests:
     name: Run unit tests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
 
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: 3.12
           cache: 'pip'
 
       - name: Install dependencies
@@ -51,16 +51,16 @@ jobs:
 
   package_check:
     name: Package check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
 
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: 3.12
           cache: 'pip'
 
       - name: Build tools

.github/workflows/deploy_to_pypi.yml

@@ -7,13 +7,14 @@ on:
 jobs:
   build-n-publish:
     name: Build and publish Python 🐍 distributions 📦 to PyPI and TestPyPI
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@master
-    - name: Set up Python 3.9
-      uses: actions/setup-python@v1
+    - uses: actions/checkout@v4
+
+    - name: Set up Python
+      uses: actions/setup-python@v5
       with:
-        python-version: 3.9
+        python-version: 3.12
 
     - name: Get version number
       id: v