Bump ambience from c1a076e to e55d4b8 (#2297)

Bumps [ambience](https://github.com/minetest-mirrors/ambience) from `c1a076e` to `e55d4b8`.
- [Commits](minetest-mirrors/ambience@c1a076e...e55d4b8)

---
updated-dependencies:
- dependency-name: ambience
  dependency-type: direct:production
...

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