ci(deps): 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](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>

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
       contents: read
       pull-requests: read
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-go@v7
         with:
           go-version: stable
@@ -37,7 +37,7 @@ jobs:
       contents: write
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Go
         id: setup-go
@@ -308,7 +308,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Go
         uses: actions/setup-go@v7
@@ -357,7 +357,7 @@ jobs:
     if: github.event_name == 'pull_request'
     steps:
       - name: "Checkout Repository"
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: "Dependency Review"
         uses: actions/dependency-review-action@v5
@@ -378,7 +378,7 @@ jobs:
       startsWith(github.ref, 'refs/heads/feature/docker'))
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Login to Docker Hub
         uses: docker/login-action@v4