Upgrade the backport workflow

* Copy over the labels from the original PR
* Label the backport PR with `autocut`
* Label a PR that fails to backport

Signed-off-by: Miki <miki@amazon.com>

.github/workflows/backport.yml

@@ -34,8 +34,10 @@ jobs:
           installation_id: 22958780
 
       - name: Backport
-        uses: VachaShah/backport@v2.1.0
+        uses: VachaShah/backport@v2.2.0
         with:
           github_token: ${{ steps.github_app_token.outputs.token }}
           head_template: backport/backport-<%= number %>-to-<%= base %>
           files_to_skip: "CHANGELOG.md"
+          labels_template: "<%= JSON.stringify([...labels, 'autocut']) %>"
+          failure_labels: "failed backport"

CHANGELOG.md

@@ -33,6 +33,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Re-enable CI workflows for feature branches ([#2908](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/2908))
 - Upgrade yarn version to be compatible with @opensearch-project/opensearch ([#3443](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3443))
 - Add an achievement badger to the PR ([#3721](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3721))
+- Upgrade the backport workflow ([#4343](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4343))
 
 ### 📝 Documentation