Update linter to fail if it is not successful

Author: mehr74

.github/workflows/linter.yaml

@@ -17,4 +17,9 @@ jobs:
 
     - name: Terraform linter
       run: |
-        find . -type f -name "*.tf" ! -path "*/.terraform/*" -exec terraform fmt -check {} \;
+        results=$(find . -type f -name "*.tf" ! -path "*/.terraform/*" -exec terraform fmt -check {} \;)
+        if [ -n "$results" ]; then
+          echo "Terraform files must be formatted with 'terraform fmt'. Please run 'terraform fmt' and commit the changes."
+          echo "$results"
+          exit 1
+        fi