Bump actions/checkout from 5 to 7

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 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/v5...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>

.github/workflows/build.yml

@@ -23,7 +23,7 @@ jobs:
         php: ["8.1", "8.2", "8.3", "8.4", "8.5"]
         variant: ["debian", "alpine"]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
@@ -70,7 +70,7 @@ jobs:
       matrix:
         php: ["7.2", "7.3", "7.4", "8.0"]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Login to DockerHub

.github/workflows/tests.yml

@@ -12,7 +12,7 @@ jobs:
         php: ["8.1", "8.2", "8.3", "8.4", "8.5"]
         variant: ["debian", "alpine"]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Build Docker image