Fix Gradle

Author: purejava

.github/workflows/release_to_maven.yml

@@ -38,3 +38,5 @@ jobs:
         env:
           ORG_GRADLE_PROJECT_sonatypeUsername: ${{ secrets.NEXUS_USERNAME }}
           ORG_GRADLE_PROJECT_sonatypePassword: ${{ secrets.NEXUS_PASSWORD }}
+          ORG_GRADLE_PROJECT_signingKey: ${{ secrets.GPG_PRIVATE_KEY }}
+          ORG_GRADLE_PROJECT_signingPassword: ${{ secrets.GPG_PASSPHRASE }}