Releasing a New ktfmt Version

1. Run ./bump_versions.sh $OLD_VERSION $NEW_VERSION and commit the changes.
2. Create a new Release in GitHub. A GitHub Action is automatically triggered and builds and publishes the artifacts to
   1. Maven
   2. IntelliJ Plugin marketplace
3. TODO: also automate website generation (https://facebookincubator.github.io/ktfmt/) and the AWS Lambda that powers it. For now, you must clone the repo locally, and manually run some steps.
   1. pushd online_formatter; ./build_and_deploy.sh; popd
      1. Credentials should be configured using https://docs.aws.amazon.com/cli/latest/topic/config-vars.html#credentials
   2. Follow instructions in website/README.md