Bump utils/wesnoth-map-diff from b8e52f9 to 056d56f

Bumps [utils/wesnoth-map-diff](https://github.com/cooljeanius/wesnoth-map-diff) from `b8e52f9` to `056d56f`.
- [Release notes](https://github.com/cooljeanius/wesnoth-map-diff/releases)
- [Commits](cooljeanius/wesnoth-map-diff@b8e52f9...056d56f)

---
updated-dependencies:
- dependency-name: utils/wesnoth-map-diff
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>