Check changed files before running gradle check (opensearch-project#13498)

Signed-off-by: Sayali Gaikawad <gaiksaya@amazon.com>

Author: gaiksaya

.github/workflows/gradle-check.yml

@@ -12,13 +12,28 @@ permissions:
   contents: read # to fetch code (actions/checkout)
 
 jobs:
+  check-files:
+    runs-on: ubuntu-latest
+    outputs: 
+      RUN_GRADLE_CHECK: ${{ steps.changed-files-specific.outputs.any_changed }}
+    steps:
+    - uses: actions/checkout@v3
+    - name: Get changed files
+      id: changed-files-specific
+      uses: tj-actions/changed-files@v44
+      with:
+        files_ignore: |
+          release-notes/*.md
+          .github/**
+          *.md
+    
   gradle-check:
-    if: github.repository == 'opensearch-project/OpenSearch'
+    needs: check-files
+    if: github.repository == 'opensearch-project/OpenSearch' && needs.check-files.outputs.RUN_GRADLE_CHECK == 'true'
     permissions:
       contents: read # to fetch code (actions/checkout)
       pull-requests: write # to create or update comment (peter-evans/create-or-update-comment)
       issues: write # To create an issue if check fails on push.
-
     runs-on: ubuntu-latest
     timeout-minutes: 130
     steps:
@@ -151,3 +166,12 @@ jobs:
         with:
           assignees: ${{ github.event.head_commit.author.username }}, ${{ github.triggering_actor }}
           filename: .github/ISSUE_TEMPLATE/failed_check.md
+
+  check-result:
+    needs: [check-files, gradle-check]
+    if: always()
+    runs-on: ubuntu-latest
+    steps:
+      - name: Fail if gradle-check fails
+        if: ${{ needs.check-files.outputs.RUN_GRADLE_CHECK && needs.gradle-check.result == 'failure' }}
+        run: exit 1