Gradle used to automatically prefix the group id with "gradle.plugin"
but in the 0.13.0 release this was no longer happening, possibility
due to upgrading to Gradle 7.
This group change caused an issue where the Gradle Plugin Portal
thought this plugin was being moved to a different group which would
affect the classpath and requires approval. However this is a breaking
change we don't want so we have to now pre-fix it ourselves.
See the following issue for more context on why this is required now.
Prefix group with "gradle.plugin"
This change is