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/ci.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
 
     - name: Checkout code
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     - name: Install management tools
       uses: astral-sh/setup-uv@v7
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout code
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     - name: Install management tools
       uses: astral-sh/setup-uv@v7
@@ -71,7 +71,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     - name: Install management tools and Python ${{ matrix.python-version }}
       uses: astral-sh/setup-uv@v7
@@ -100,7 +100,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout code
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     - name: Install management tools
       uses: astral-sh/setup-uv@v7

.github/workflows/publish.yml

@@ -10,7 +10,7 @@
         permissions:
           id-token: write # Required for trusted publishing
         steps:
-          - uses: actions/checkout@v6
+          - uses: actions/checkout@v7
 
           - name: Install management tools
             uses: astral-sh/setup-uv@v7