updating the approval requirement (#3148) (#3150)

Signed-off-by: Dhrubo Saha <[email protected]>
(cherry picked from commit c195fd6)

Co-authored-by: Dhrubo Saha <[email protected]>

Author: opensearch-trigger-bot[bot]

.github/workflows/require-approval.yml

@@ -29,7 +29,7 @@ jobs:
             # Handle Pull Request events
 
             # Check if the PR is triggered by opensearch-trigger-bot
-            if [[ "$github_event" == "pull_request" ]] && [[ "$author" == "opensearch-trigger-bot[bot]" ]]; then
+            if [[ "$author" == "opensearch-trigger-bot[bot]" ]]; then
               echo "PR triggered by opensearch-trigger-bot. No approval needed."
               echo "is-require-approval=ml-commons-cicd-env" >> $GITHUB_OUTPUT
             else