chore(deps): Bump aquasecurity/trivy-action from 0.18.0 to 0.21.0

Bumps [aquasecurity/trivy-action](https://github.com/aquasecurity/trivy-action) from 0.18.0 to 0.21.0.
- [Release notes](https://github.com/aquasecurity/trivy-action/releases)
- [Commits](aquasecurity/trivy-action@062f259...fd25fed)

---
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/trivy.yml

@@ -26,7 +26,7 @@ jobs:
         run: |
           TAG=${{ github.sha }} ARCH=amd64 make docker-build
       - name: Run Trivy vulnerability scanner
-        uses: aquasecurity/trivy-action@062f2592684a31eb3aa050cc61e7ca1451cecd3d
+        uses: aquasecurity/trivy-action@fd25fed6972e341ff0007ddb61f77e88103953c2
         with:
           image-ref: 'ghcr.io/rancher/turtles-amd64:${{ github.sha }}'
           format: 'sarif'