Change groupId to org.lightningdevkit

Author: Jurvis Tan

bindings/kotlin/ldk-node-android/lib/build.gradle.kts

@@ -60,7 +60,7 @@ afterEvaluate {
     publishing {
         publications {
             create<MavenPublication>("maven") {
-                groupId = "co.jurvis"
+                groupId = "org.lightningdevkit"
                 artifactId = "ldk-node-android"
                 version = libraryVersion