Bump aquasecurity/trivy-action from 0.8.0 to 0.9.1

Bumps [aquasecurity/trivy-action](https://github.com/aquasecurity/trivy-action) from 0.8.0 to 0.9.1.
- [Release notes](https://github.com/aquasecurity/trivy-action/releases)
- [Commits](aquasecurity/trivy-action@0.8.0...0.9.1)

---
updated-dependencies:
- dependency-name: aquasecurity/trivy-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/tests.yml

@@ -192,7 +192,7 @@ jobs: # Docs: <https://git.io/JvxXE>
           name: docker-image
           path: .artifact
 
-      - uses: aquasecurity/trivy-action@0.8.0 # action page: <https://github.com/aquasecurity/trivy-action>
+      - uses: aquasecurity/trivy-action@0.9.1 # action page: <https://github.com/aquasecurity/trivy-action>
         with:
           input: .artifact/docker-image.tar
           format: sarif