added additional arg to ingore low, med sev issues

Author: oneanupam

.github/workflows/gitops.yml

@@ -44,6 +44,7 @@ jobs:
         uses: aquasecurity/tfsec-action@v1.0.3
         with:
           working_directory: ${{ env.TERRAFORM_DIR }}
+          additional_args: --exclude-severity LOW,MEDIUM
 
       # Install the latest version of Google Cloud SDK
       - id: cloud_sdk_installation