Bump actions/checkout from 6 to 7

Bumps [actions/checkout](https://github.com/actions/checkout) from 6 to 7.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/publishing.yml

@@ -12,7 +12,7 @@ jobs:
     name: Run tests
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: 3.14
@@ -28,7 +28,7 @@ jobs:
       matrix:
         toxenv: [flake8, pydocstyle, mypy, pylint]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: 3.14
@@ -42,7 +42,7 @@ jobs:
     needs: [tests, linters]
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: 3.14
@@ -69,7 +69,7 @@ jobs:
         DEPENDENCY_INJECTOR_LIMITED_API="1"
         CFLAGS="-g0"
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Build wheels
         uses: pypa/cibuildwheel@v3.4.1
       - uses: actions/upload-artifact@v7
@@ -114,7 +114,7 @@ jobs:
     needs: [publish]
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: 3.14

.github/workflows/tests-and-linters.yml

@@ -11,7 +11,7 @@ jobs:
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
@@ -25,7 +25,7 @@ jobs:
     name: Run tests with different pydantic versions
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: "3.14"
@@ -41,7 +41,7 @@ jobs:
       COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: 3.14
@@ -57,7 +57,7 @@ jobs:
       matrix:
         toxenv: [flake8, pydocstyle, mypy, pylint]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: 3.14