Bump aquasecurity/trivy-action from 0.28.0 to 0.29.0 (#424)

Bumps [aquasecurity/trivy-action](https://github.com/aquasecurity/trivy-action) from 0.28.0 to 0.29.0.
- [Release notes](https://github.com/aquasecurity/trivy-action/releases)
- [Commits](aquasecurity/trivy-action@915b19b...18f2510)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Paul Abel <[email protected]>

.github/workflows/ci.yml

@@ -113,7 +113,7 @@ jobs:
           provenance: false
 
       - name: Run Trivy vulnerability scanner
-        uses: aquasecurity/trivy-action@915b19bbe73b92a6cf82a1bc12b087c9a19a5fe2 # 0.28.0
+        uses: aquasecurity/trivy-action@18f2510ee396bbf400402947b394f2dd8c87dbb0 # 0.29.0
         continue-on-error: true
         with:
           image-ref: nginx/nginx-ingress-operator:${{ steps.meta.outputs.version }}