Bump max perm size for Gradle CI builds
Bump max perm size for Gradle CI builds

vaibhav345/lenskit,kluver/lenskit,vaibhav345/lenskit,kluver/lenskit,tajinder-txstate/lenskit,tajinder-txstate/lenskit,tajinder-txstate/lenskit,tajinder-txstate/lenskit,kluver/lenskit,vaibhav345/lenskit,kluver/lenskit,kluver/lenskit,vaibhav345/lenskit