Try fix

Author: purejava

.github/workflows/release_to_maven.yml

@@ -13,6 +13,7 @@ jobs:
       - uses: actions/checkout@v4
       - name: Import GPG key
         run: |
+          echo -n "GPG_SIGNING_KEY_B64" | base64 --decode
           echo "$GPG_SIGNING_KEY_PW" | gpg --batch --import --yes --passphrase-fd 0 <(echo -n "GPG_SIGNING_KEY_B64" | base64 --decode)
           mkdir -p ~/.gradle
           echo -n "signing.keyId=ABC48776" >> ~/.gradle/gradle.properties