TCLOUD-4780: Added missing --recursive flag

Author: tiny-james

.github/workflows/preview_delete.yml

@@ -41,4 +41,4 @@ jobs:
 
     - name: Remove website preview from S3
       run: |
-        aws s3 rm s3://tiny-cloud-antora-docs-preview/${PR}
+        aws s3 rm --recursive s3://tiny-cloud-antora-docs-preview/${PR}