add: workflow for publishing to maven central

Author: devi-krishna-kv

.github/workflows/publish.yml

@@ -37,7 +37,7 @@ jobs:
       - name: Import GPG
         uses: crazy-max/ghaction-import-gpg@v6
         with:
-          gpg_private_key: ${{ secrets.OSS_SIGNING_KEY_ID }}
+          gpg_private_key: ${{ secrets.OSS_SIGNING_KEY }}
           passphrase: ${{ secrets.OSS_SIGNING_PASSWORD }}
 
       # Step to grant execute permissions to the Gradle wrapper script