Try fix

Author: purejava

.github/workflows/release_to_maven.yml

@@ -17,6 +17,9 @@ jobs:
           mkdir -p ~/.gradle
           echo -n "signing.keyId=ABC48776" >> ~/.gradle/gradle.properties
           echo -n "signing.password=${GPG_SIGNING_KEY_PW}" >> ~/.gradle/gradle.properties
+          echo -n "signing.secretKeyRingFile=${{ github.workspace }}/.gnupg/secring.gpg" >> ~/.gradle/gradle.properties
+          gpg --keyring secring.gpg --export-secret-keys --amor ABC48776 > ~/.gnupg/secring.gpg
+          cat ${{ github.workspace }}/.gnupg/secring.gpg
         env:
           GPG_SIGNING_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
           GPG_SIGNING_KEY_PW: ${{ secrets.GPG_PASSPHRASE }}