chore(deps): bump actions/checkout from 6 to 7 (#1260)

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](https://github.com/actions/checkout/compare/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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code.
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: 'Get Changed Files'
@@ -47,7 +47,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code.
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Install poetry
         run: pip install poetry
       - name: Set up Python
@@ -71,7 +71,7 @@ jobs:
     name: 'Test with Pytest'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
            submodules: recursive
       - name: Install poetry
@@ -96,7 +96,7 @@ jobs:
     name: 'Test with Bats'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
            submodules: recursive
       - name: Setup Bats
@@ -120,7 +120,7 @@ jobs:
     runs-on: ${{ matrix.platform }}
     steps:
       - name: Check out code.
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Linux Install
         if: matrix.platform == 'ubuntu-latest'
         run: sudo apt-get install -y bsdmainutils