Bump mods/moreblocks from 79a0c76 to 54b2217

Bumps [mods/moreblocks](https://github.com/minetest-mods/moreblocks) from `79a0c76` to `54b2217`.
- [Release notes](https://github.com/minetest-mods/moreblocks/releases)
- [Commits](minetest-mods/moreblocks@79a0c76...54b2217)

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

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