NRL-1595 Fix exit codes

Author: atrace

.github/workflows/deploy-account-wide-infra.yml

@@ -44,7 +44,10 @@ jobs:
           IS_VALID_ENV: ${{ startsWith(inputs.environment, 'account-') }}
         run: |
           echo $IS_VALID_ENV
-          exit $IS_VALID_ENV == true
+          if [$IS_VALID_ENV == true]; then
+            exit 0
+          fi
+          exit 1
 
   terraform-plan:
     name: Terraform Plan - ${{ inputs.environment }}