refactor(migrations): gradle-lite

[pret-a-porter]

Changes:

One more migration from previously huge PR https://github.com/renovatebot/renovate/pull/12957

Context:

1. https://github.com/renovatebot/renovate/issues/11459
2. Part of https://github.com/renovatebot/renovate/pull/12957

Documentation

• [ ] I have updated the documentation, or
• [x] No documentation update is required

How I've tested my work

I have verified these changes via:

• [ ] Code inspection only, or
• [x] Newly added/modified unit tests, or
• [ ] No unit tests but ran on a real repository, or
• [ ] Both unit tests + ran on a real repository

[viceice]

I'm confused about the failing docker tests

[rarkins]

Closing due to staleness