change publish pipeline (#3)

Author: eaxdev

.github/workflows/gradle-ci-publish.yml

@@ -1,9 +1,9 @@
 name: publish
 
 on:
-  release:
-    types:
-      - published
+  push:
+    tags:
+      - 'v*'
 
 jobs:
   publish:
@@ -17,7 +17,8 @@ jobs:
 
       - name: Prepare to publish
         run: |
-          echo '${{secrets.GPG_KEY_CONTENTS}}' | base64 -d > secret.gpg
+          gpg --quiet --batch --yes --decrypt --passphrase="${{secrets.SECRET_PASSPHRASE}}" \
+          --output secret.gpg publish_key.gpg
           echo "::set-env name=RELEASE_VERSION::${GITHUB_REF:11}"
 
       - name: Publish with Gradle