chore(deps): bump actions/checkout from 6 to 7 (#8963)

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/docker-publish.yml

@@ -46,7 +46,7 @@ jobs:
       uses: docker/setup-buildx-action@v4
 
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     - name: Get FreshRSS version
       run: |

.github/workflows/dockerhub-description.yml

@@ -13,7 +13,7 @@ jobs:
     if: github.repository_owner == 'FreshRSS'
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
     - name: Update repo description
       uses: peter-evans/dockerhub-description@1b9a80c056b620d92cedb9d9b5a223409c68ddfa

.github/workflows/jekyll-gh-pages.yml

@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Setup Ruby
         uses: ruby/setup-ruby@afeafc3d1ab54a631816aba4c914a0081c12ff2f
         with:

.github/workflows/tests.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
     - name: Git checkout source code
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     # Composer tests