chore: increase max gradle JVM heap to 8GB

Author: stainless-app[bot]

gradle.properties

@@ -4,12 +4,13 @@ org.gradle.parallel=true
 org.gradle.daemon=false
 # These options improve our compilation and test performance. They are inherited by the Kotlin daemon.
 org.gradle.jvmargs=\
-  -Xms1g \
-  -Xmx4g \
+  -Xms2g \
+  -Xmx8g \
   -XX:+UseParallelGC \
   -XX:InitialCodeCacheSize=256m \
   -XX:ReservedCodeCacheSize=1G \
-  -XX:MetaspaceSize=256m \
+  -XX:MetaspaceSize=512m \
+  -XX:MaxMetaspaceSize=2G \
   -XX:TieredStopAtLevel=1 \
   -XX:GCTimeRatio=4 \
   -XX:CICompilerCount=4 \