Bump aquasecurity/trivy-action from 0.20.0 to 0.21.0 (#33)

Bumps [aquasecurity/trivy-action](https://github.com/aquasecurity/trivy-action) from 0.20.0 to 0.21.0.
- [Release notes](https://github.com/aquasecurity/trivy-action/releases)
- [Commits](aquasecurity/trivy-action@b2933f5...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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Chip Zoller <chipzoller@gmail.com>

.github/workflows/release.yaml

@@ -126,7 +126,7 @@ jobs:
       IMAGE: "${{ needs.build.outputs.image }}"
     steps:
     - name: Scan for vulnerabilities
-      uses: aquasecurity/trivy-action@b2933f565dbc598b29947660e66259e3c7bc8561 # v0.20.0 (Trivy v0.51.1)
+      uses: aquasecurity/trivy-action@fd25fed6972e341ff0007ddb61f77e88103953c2 # v0.20.0 (Trivy v0.51.1)
       with: 
         image-ref: ${{ env.IMAGE }}
         format: cosign-vuln