Verify action against 1.x

Author: Michael Long

.github/workflows/test_installation.yml

@@ -28,7 +28,7 @@ jobs:
           role-to-assume: ${{ secrets.AWS_IAM_ROLE }}
 
       - name: Test Amazon Inspector GitHub Actions plugin
-        uses: aws-actions/vulnerability-scan-github-action-for-amazon-inspector@v1
+        uses: aws-actions/vulnerability-scan-github-action-for-amazon-inspector@1.x
         with:
           artifact_type: 'container'
           artifact_path: 'alpine:latest'