Add an achievement badger to the PR (opensearch-project#3721)

* Adds achievement workflow

Signed-off-by: Ashwin P Chandran <ashwinpc@amazon.com>

* Adds changelog entry

Signed-off-by: Ashwin P Chandran <ashwinpc@amazon.com>

* Update CHANGELOG.md based on suggestion

---------

Signed-off-by: Ashwin P Chandran <ashwinpc@amazon.com>

.github/workflows/github-workflow-badger.yml

@@ -0,0 +1,21 @@
+---
+name: github-merit-badger
+on:
+  pull_request_target:
+    types:
+      - opened
+
+jobs:
+  call-action:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+    steps:
+      - uses: aws-github-ops/github-merit-badger@v0.0.98
+        id: merit-badger
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          badges: '[first-time-contributor,repeat-contributor,valued-contributor,seasoned-contributor,all-star-contributor,distinguished-contributor]'
+          thresholds: '[0,3,6,13,25,50]'
+          badge-type: 'achievement'
+          ignore-usernames: '[opensearch-ci-bot, dependabot, opensearch-trigger-bot]'

CHANGELOG.md

@@ -125,6 +125,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Fix detection of Chrome's version on Darwin during CI ([#3296](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3296))
 - Upgrade yarn version to be compatible with @openearch-project/opensearch ([#3443](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3443))
 - [CI] Reduce redundancy by using matrix strategy on Windows and Linux workflows ([#3514](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3514))
+- Add an achievement badger to the PR ([#3721](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3721))
 
 ### 📝 Documentation