Bump utils/wesnoth-map-diff from d4ecb3c to 3756662

Bumps [utils/wesnoth-map-diff](https://github.com/cooljeanius/wesnoth-map-diff) from `d4ecb3c` to `3756662`.
- [Release notes](https://github.com/cooljeanius/wesnoth-map-diff/releases)
- [Commits](cooljeanius/wesnoth-map-diff@d4ecb3c...3756662)

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

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