Upgrade GitHub Actions versions

- Upgrade aquasecurity/trivy-action to 0.33.1
- Upgrade codecov/codecov-action to v5
- Upgrade goreleaser/goreleaser-action to v6

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: appleboy

.github/workflows/testing.yml

@@ -63,7 +63,7 @@ jobs:
           fetch-depth: 0
 
       - name: Run Trivy vulnerability scanner in repo mode
-        uses: aquasecurity/trivy-action@0.28.0
+        uses: aquasecurity/trivy-action@0.33.1
         with:
           scan-type: "fs"
           ignore-unfixed: true