chore(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/integration-tests.yml

@@ -62,7 +62,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v5
@@ -87,7 +87,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Log in to GHCR
         uses: docker/login-action@v4
@@ -125,7 +125,7 @@ jobs:
         - /var/run/docker.sock:/var/run/docker.sock
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Provision PVE instances
         shell: bash
@@ -155,7 +155,7 @@ jobs:
         pve_version: ['9', '8']
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Download module artifact
         uses: actions/download-artifact@v8
@@ -200,7 +200,7 @@ jobs:
         - /var/run/docker.sock:/var/run/docker.sock
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Cleanup PVE instances
         shell: bash