test: tweak max heap size

Author: 0marperez

gradle.properties

@@ -3,7 +3,7 @@ kotlin.mpp.stability.nowarn=true
 kotlin.native.ignoreDisabledTargets=true
 
 # gradle
-org.gradle.jvmargs=-Xmx12g -XX:MaxMetaspaceSize=2G
+org.gradle.jvmargs=-Xmx8g -XX:MaxMetaspaceSize=2G
 
 # sdk
 sdkVersion=1.4.16-SNAPSHOT