chore(deps): Bump anchore/scan-action from 5 to 6

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

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

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

.github/workflows/anchore.yml

@@ -73,19 +73,19 @@ jobs:
             JAR_FILE=./build/subscription-service/build/libs/subscription-service-latest-dev.jar
       - name: Security Scan for API Gateway image
         id: scan-api-gateway
-        uses: anchore/scan-action@v5
+        uses: anchore/scan-action@v6
         with:
           image: "localbuild/api-gateway:latest-scan"
           severity-cutoff: critical
       - name: Security Scan for Search Service image
         id: scan-search-service
-        uses: anchore/scan-action@v5
+        uses: anchore/scan-action@v6
         with:
           image: "localbuild/search-service:latest-scan"
           severity-cutoff: critical
       - name: Security Scan for Subscription Service image
         id: scan-subscription-service
-        uses: anchore/scan-action@v5
+        uses: anchore/scan-action@v6
         with:
           image: "localbuild/subscription-service:latest-scan"
           severity-cutoff: critical