fix: java's github package ci/cd

Author: harrki

java/lib/build.gradle

@@ -54,14 +54,24 @@ tasks.named('test') {
 }
 
 publishing {
-  repositories {
-    maven {
-      name = "GitHubPackages"
-      url = "https://maven.pkg.github.com/adf-python/adf-core-python"
-      credentials {
-        username = System.getenv("GITHUB_ACTOR")
-        password = System.getenv("GITHUB_TOKEN")
-      }
+    publications {
+        mavenJava(MavenPublication) {
+            groupId = 'com.github.adf-python'
+            artifactId = 'adf-core-python'
+            version = 'master-SNAPSHOT'
+
+            from components.java
+        }
     }
-  }
-}
+
+    repositories {
+        maven {
+            name = "GitHubPackages"
+            url = "https://maven.pkg.github.com/adf-python/adf-core-python"
+            credentials {
+                username = System.getenv("GITHUB_ACTOR")
+                password = System.getenv("GITHUB_TOKEN")
+            }
+        }
+    }
+}