chore: Adding gpg keys

Author: hypery2k

.github/workflows/release.yml

@@ -29,6 +29,8 @@ jobs:
           server-id: 'central'
           server-username: OSSRH_USERNAME
           server-password: OSSRH_PASSWORD
+          gpg-private-key: ${{ secrets.OSS_SONATYPE_GPG_PRIVATE_KEY }} # Value of the GPG private key to import
+          gpg-passphrase: OSS_SONATYPE_GPG_PASSPHRASE # env variable for GPG private key passphrase
           cache: 'maven'
       - name: Prepare
         run: |