img path corrected

.github/workflows/ci-build.yaml

@@ -48,7 +48,7 @@ jobs:
     - name: Scan for vulnerabilities with Trivy
       uses: aquasecurity/trivy-action@master
       with:
-        image-ref: 'docker.io/my-organization/my-app:${{ github.sha }}'
+        image-ref: welcome-app:${{ env.IMG_TAG }}
         format: 'table'
         exit-code: '1'
         ignore-unfixed: true