Update Gradle Wrapper to 7.5.1.
Update Gradle Publish plugin to 1.0.0 and update its configuration.
Remove plugins and configurations that are no longer needed.
Update Spotless plugin to 6.11.0.
Compile with Java 11.
Update workflow's actions and Java versions.
Update Gradle Wrapper to 7.5.1. Update Gradle Publish plugin to 1.0.0 and update its configuration. Remove plugins and configurations that are no longer needed. Update Spotless plugin to 6.11.0. Compile with Java 11. Update workflow's actions and Java versions.