Release checklist

Update CHANGES.md, plugin-gradle/CHANGES.md, and plugin-maven/CHANGES.md
Upgrade gradle.properties.
Run ./gradlew jar && ./gradlew autostyleApply -PautostyleSelf
Make sure all files are committed
Run ./gradlew check
Make sure all tests pass and no files are changes
Run :

./gradlew generatePomFileForPluginMavenPublication
./gradlew publish publishPlugins
# export GRGIT_USER=blahblahblah
./gradlew gitPublishPush

Ensure CI passes
Tag the releases
Bump gradle.properties to next snapshot, run autostyleApply, commit any changees
Comment on all released PRs / issues