try to use publish with a concrete version number, no idea what that …

…long string was, the official tutorial is the only source that uses this

.github/workflows/gradle.yml

@@ -36,7 +36,7 @@ jobs:
       - name: Validate Gradle wrapper
         uses: gradle/wrapper-validation-action@e6e38bacfdf1a337459f332974bb2327a31aaf4b
       - name: Publish package
-        uses: gradle/gradle-build-action@0d13054264b0bb894ded474f08ebb30921341cee
+        uses: gradle/gradle-build-action@v2
         with:
           arguments: publish
         env: