TCLOUD-4780: Fixed the credentials used to delete closed PR previews (#3920)

* TCLOUD-4780: Fixed the credentials used to delete closed PR previews

* TCLOUD-4780: Added missing `--recursive` flag

* TCLOUD-4780: Updated the pull request template with the preview URL

Author: tiny-james

.github/pull_request_template.md

@@ -1,6 +1,6 @@
 Ticket: DOC-<num>
 
-Site: [Staging branch](http://docs-<hotfix|feature>-<version>-doc-<num>.staging.tiny.cloud/docs/tinymce/<version>/)
+Site: [Staging branch](https://pr-<PR#>.tinymce-docs.iad.staging.tiny.cloud/docs/tinymce/<version>/)
 
 Changes:
 * <placeholder-text>

.github/workflows/preview_delete.yml

@@ -35,10 +35,10 @@ jobs:
     - name: configure aws credentials
       uses: aws-actions/[email protected]
       with:
-        role-to-assume: arn:aws:iam::327995277200:role/staging-docs-preview-update
-        role-session-name: docs-preview-delete
+        role-to-assume: arn:aws:iam::327995277200:role/staging-tinymce-docs-update
+        role-session-name: tinymce-docs-delete
         aws-region: us-east-2
 
     - 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}