Bump actions/checkout from 6.0.3 to 7.0.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 6.0.3 to 7.0.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@df4cb1c...9c091bb)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
         os: [ubuntu-latest, windows-latest]
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
-    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+    - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
       with:

.github/workflows/linters.yml

@@ -7,7 +7,7 @@ jobs:
   linters:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - name: Install Python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
         with:

.github/workflows/publish.yml

@@ -9,7 +9,7 @@ jobs:
     name: Build distribution package
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+    - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
     - name: Set up Python
       uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
       with: