It offers a quickfix action for certain errors, includes a number of bug fixes and it
introduces a new warning by default (https://github.com/scala/scala/pull/10462).
In addition to the scala version bump, we also fix the new compiler warnings and
bump the scalafmt version (the previous version failed with the new scala version).
Release notes: https://github.com/scala/scala/releases/tag/v2.13.12
Reviewers: Divij Vaidya <diviv@amazon.com>, Satish Duggana <satishd@apache.org>
Updates the scala fmt to the latest stable version.
Applies all the style fixes (all source code changes are done by scala
fmt).
Removes setting about dangling parentheses as `true` is already the
default.
Reviewer: John Roesler <john@confluent.io>