Improve autocut issue content on push gradle check failure. (opensear…

…ch-project#6160)

Signed-off-by: Marc Handalian <handalm@amazon.com>

.github/ISSUE_TEMPLATE/failed_check.md

@@ -1,9 +1,8 @@
 ---
-title: '[AUTOCUT] Gradle Check Failure.'
+title: '[AUTOCUT] Gradle Check Failure on push to {{ env.branch_name }}'
 labels: '>test-failure, bug'
 ---
 
-A gradle check workflow has failed after merge.
-
-PR: {{ env.workflow_url }}
-CommitId: {{ env.pr_from_sha }}
+Gradle check has failed on push of your commit {{ env.pr_from_sha }}.
+Please examine the workflow log {{ env.workflow_url }}.
+Is the failure [a flaky test](https://github.com/opensearch-project/OpenSearch/blob/main/DEVELOPER_GUIDE.md#flaky-tests) unrelated to your change?

.github/workflows/gradle-check.yml

@@ -41,6 +41,7 @@ jobs:
             repo_url="https://github.com/opensearch-project/OpenSearch"
             ref_id=$(git rev-parse HEAD)
             branch_name=$(git rev-parse --abbrev-ref HEAD)
+            echo "$branch_name=$branch_name" >> $GITHUB_ENV
             echo "pr_from_sha=$ref_id" >> $GITHUB_ENV
             echo "pr_from_clone_url=$repo_url" >> $GITHUB_ENV
             echo "pr_to_clone_url=$repo_url" >> $GITHUB_ENV