Update actions/checkout action to v5 (#74)

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

Author: renovate[bot]

.github/workflows/main.yml

@@ -12,7 +12,7 @@ jobs:
   lint:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: jdx/mise-action@v2
     - name: Cache pre-commit environment
       uses: actions/cache@v4
@@ -37,7 +37,7 @@ jobs:
       matrix:
         python-version: ['3.13', '3.12', '3.11', '3.10']
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: actions/setup-python@v5
       with:
         python-version: '${{ matrix.python-version }}'

.github/workflows/publish.yml

@@ -11,7 +11,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: jdx/mise-action@v2
     - uses: actions/cache@v4
       with: