chore(deps): update actions/checkout action to v6.0.1

Author: renovate[bot]

.github/workflows/main.yml

@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-24.04
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
@@ -47,7 +47,7 @@ jobs:
       # renovate: datasource=pypi depName=texttest
       TEXTTEST_VERSION: 4.4.5
     steps:
-      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           fetch-depth: 0      # `copier` prefers full-history clones
           submodules: true
@@ -79,7 +79,7 @@ jobs:
         with:
           ignore: Collect results
           token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: codfish/semantic-release-action@6c65402abb31a48c3f7396d7d099da015be67c2b # v4.0.1
         with:
           plugins: |