Fix trivy scan volume path

.gitea/workflows/trivy-scan.yml

@@ -17,7 +17,7 @@ jobs:
         continue-on-error: true
         run: |
           docker run --rm \
-            -v "$PWD:/work" \
+            -v "${GITHUB_WORKSPACE}:/work" \
             -w /work \
             aquasec/trivy:latest \
             fs /work \