gradle: Sync gplayapi from our gitlab package registry

jitpack is having frequent build issues and their github has over 1.5k+
open issues with majority having no replies. Better use something we can
manage and fix when required.

We are still dependent over jitpack for libsu though.

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

settings.gradle.kts

@@ -30,6 +30,7 @@ dependencyResolutionManagement {
     repositories {
         google()
         mavenCentral()
+        maven("https://gitlab.com/api/v4/projects/18497829/packages/maven")
         maven("https://jitpack.io/")
         maven("https://maven.google.com/")
     }