Bump mods/worldedit from `c223ca4` to `abc9efe`

Bumps [mods/worldedit](https://github.com/Uberi/Minetest-WorldEdit) from `c223ca4` to `abc9efe`.
- [Release notes](https://github.com/Uberi/Minetest-WorldEdit/releases)
- [Commits](https://github.com/Uberi/Minetest-WorldEdit/compare/c223ca4cec7cb17ddff30f3fd0a35a8c85ca42d5...abc9efeeb8cccb3e23c055414941fed4a9871b9a)