Publish entire java component and common (#3331)

build-logic/src/main/kotlin/geyser.publish-conventions.gradle.kts

@@ -11,8 +11,7 @@ publishing {
             artifactId = project.name
             version = project.version as String
 
-            artifact(tasks["shadowJar"])
-            artifact(tasks["sourcesJar"])
+            from(components["java"])
         }
     }
 }

common/build.gradle.kts

@@ -1,3 +1,7 @@
+plugins {
+    id("geyser.publish-conventions")
+}
+
 dependencies {
     api(libs.cumulus)
     api(libs.gson)