Bump anchore/scan-action from 6 to 7

Bumps [anchore/scan-action](https://github.com/anchore/scan-action) from 6 to 7.
- [Release notes](https://github.com/anchore/scan-action/releases)
- [Changelog](https://github.com/anchore/scan-action/blob/main/RELEASE.md)
- [Commits](anchore/scan-action@v6...v7)

---
updated-dependencies:
- dependency-name: anchore/scan-action
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/docker-image-security-scan.yml

@@ -21,7 +21,7 @@ jobs:
         push: false
         load: true
     - name: Scan Docker image
-      uses: anchore/scan-action@v6
+      uses: anchore/scan-action@v7
       id: scan
       with:
         image: ${{ github.repository }}:test