feat(maven): Use release post-fetch processing (#31261)

docs/usage/self-hosted-experimental.md

...dules/datasource/clojure/__snapshots__/index.spec.ts.snap

lib/modules/datasource/clojure/index.spec.ts

...modules/datasource/maven/__snapshots__/index.spec.ts.snap

lib/modules/datasource/maven/index.spec.ts

lib/modules/datasource/maven/index.ts

lib/modules/datasource/maven/s3.spec.ts

lib/modules/datasource/maven/util.ts

lib/modules/datasource/sbt-package/index.spec.ts

lib/util/cache/package/types.ts

lib/workers/repository/process/lookup/index.spec.ts