Bump utils/wesnoth-map-diff from cb04bbd to 76f4056

Bumps [utils/wesnoth-map-diff](https://github.com/cooljeanius/wesnoth-map-diff) from `cb04bbd` to `76f4056`.
- [Release notes](https://github.com/cooljeanius/wesnoth-map-diff/releases)
- [Commits](cooljeanius/wesnoth-map-diff@cb04bbd...76f4056)

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

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