chore(deps-dev): update aquasecurity/trivy-action action to v0.28.0

Author: renovate[bot]

.github/workflows/pr-trivy.yaml

@@ -13,7 +13,7 @@ jobs:
           egress-policy: audit
 
       - name: Trivy fs scan
-        uses: aquasecurity/trivy-action@6e7b7d1fd3e4fef0c5fa8cce1229c54b2c9bd0d8 # 0.24.0
+        uses: aquasecurity/trivy-action@915b19bbe73b92a6cf82a1bc12b087c9a19a5fe2 # 0.28.0
         with:
           scan-type: 'fs'
           ignore-unfixed: true

.github/workflows/report-on-vulnerabilities.yaml

@@ -19,7 +19,7 @@ jobs:
         egress-policy: audit
 
     - name: Scan for vulnerabilities
-      uses: aquasecurity/trivy-action@6e7b7d1fd3e4fef0c5fa8cce1229c54b2c9bd0d8 # 0.24.0
+      uses: aquasecurity/trivy-action@915b19bbe73b92a6cf82a1bc12b087c9a19a5fe2 # 0.28.0
       with: 
         image-ref: ghcr.io/doodlescheduling/db-controller:latest
         format: json