⬆ Bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/deploy.yml

@@ -24,7 +24,7 @@ jobs:
       fail-fast: true
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set Dockerfile name
         if: matrix.image.name != 'latest'
         run: echo "DOCKERFILE_NAME=${{ matrix.image.name }}" >> $GITHUB_ENV

.github/workflows/latest-changes.yml

@@ -20,7 +20,7 @@ jobs:
   latest-changes:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           # To allow latest-changes to commit to master
           token: ${{ secrets.UWSGI_NGINX_FLASK_DOCKER_LATEST_CHANGES }}

.github/workflows/test.yml

@@ -28,7 +28,7 @@ jobs:
       fail-fast: true
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set Dockerfile name
         if: matrix.image.name != 'latest'
         run: echo "DOCKERFILE_NAME=${{ matrix.image.name }}" >> $GITHUB_ENV