Bump actions/checkout from 6 to 7 in the all-dependencies group

Bumps the all-dependencies group with 1 update: [actions/checkout](https://github.com/actions/checkout).


Updates `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
  dependency-group: all-dependencies
...

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

Author: dependabot[bot]

.github/workflows/lint.yaml

@@ -9,7 +9,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - run: pipx install ruff
       - run: ruff check src/
       - run: ruff format src/

.github/workflows/tests.yaml

@@ -35,7 +35,7 @@ jobs:
           mysql --version
           mysql -uroot -proot -e "CREATE DATABASE mysqldb_test"
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
@@ -78,7 +78,7 @@ jobs:
           mysql -uroot -proot -e "CREATE USER 'scott'@'%' IDENTIFIED BY 'tiger'; GRANT ALL ON *.* TO scott;"
           mysql -uroot -proot -e "CREATE DATABASE django_default; CREATE DATABASE django_other;"
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v6

.github/workflows/windows.yaml

@@ -56,7 +56,7 @@ jobs:
           cmake -DCMAKE_INSTALL_PREFIX=c:/mariadb-connector -DCMAKE_INSTALL_COMPONENT=Development -DCMAKE_BUILD_TYPE=Release -P cmake_install.cmake
 
       - name: Checkout mysqlclient
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           path: mysqlclient