Add 2PR approval to release workflow (#306)

* Add 2PR approval to release workflow

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

* Update .github/workflows/release-drafter.yml

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

Co-authored-by: Harsha Vamsi Kalluri <harshavamsi096@gmail.com>

---------

Signed-off-by: Sayali Gaikawad <gaiksaya@amazon.com>
Co-authored-by: Harsha Vamsi Kalluri <harshavamsi096@gmail.com>

.github/workflows/release-drafter.yml

@@ -11,6 +11,17 @@ jobs:
     steps:
       - name: Checkout Repository
         uses: actions/checkout@v3
+      - id: get_approvers
+        run: |
+          echo "approvers=$(cat .github/CODEOWNERS | grep @ | tr -d '* ' | sed 's/@/,/g' | sed 's/,//1')" >> $GITHUB_OUTPUT
+      - uses: trstringer/manual-approval@v1
+        with:
+          secret: ${{ github.TOKEN }}
+          approvers: ${{ steps.get_approvers.outputs.approvers }}
+          minimum-approvals: 2
+          issue-title: 'Release opensearch-py'
+          issue-body: "Please approve or deny the release of opensearch-py. **Tag**: ${{ github.ref_name }}  **Commit**: ${{ github.sha }}"
+          exclude-workflow-initiator-as-approver: true
       - name: Set up Python 3
         uses: actions/setup-python@v3
         with: