chore(deps): update actions/checkout action to v5 (#1058)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build.yml

@@ -9,7 +9,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - id: build-paper-qa-pymupdf
         uses: hynek/build-and-inspect-python-package@v2
         with:

.github/workflows/tests.yml

@@ -14,7 +14,7 @@ jobs:
       matrix:
         python-version: [3.11, 3.13] # Our min and max supported Python versions
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # For setuptools-scm, replace with fetch-tags after https://github.com/actions/checkout/issues/1471
       - uses: actions/setup-python@v5
@@ -29,7 +29,7 @@ jobs:
       matrix:
         python-version: [3.11] # Our min supported Python version
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: astral-sh/setup-uv@v6
         with:
           enable-cache: true
@@ -72,7 +72,7 @@ jobs:
       matrix:
         python-version: [3.11, 3.13] # Our min and max supported Python versions
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: astral-sh/setup-uv@v6
         with:
           enable-cache: true