ci: raise Gradle MaxMetaspaceSize to 1g to fix Publish Release OOM (#2630)

Author: sherwinski

OneSignalSDK/gradle.properties

@@ -23,7 +23,7 @@
 # Remove when creating an .aar build.
 #android.enableAapt2=false
 
-org.gradle.jvmargs=-Xmx4096m -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError
+org.gradle.jvmargs=-Xmx4096m -XX:MaxMetaspaceSize=1g -XX:+HeapDumpOnOutOfMemoryError
 
 # Gradle daemon optimization
 org.gradle.daemon=true