Bump mods/mtg/wool from 111f1a8 to 9a54175 (#829)

Bumps [mods/mtg/wool](https://github.com/minetest-game/wool) from `111f1a8` to `9a54175`.
- [Commits](minetest-game/wool@111f1a8...9a54175)

---
updated-dependencies:
- dependency-name: mods/mtg/wool
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>