Bump mods/moreblocks from `f8a7d66` to `fe34e3f`

Bumps [mods/moreblocks](https://github.com/minetest-mods/moreblocks) from `f8a7d66` to `fe34e3f`.
- [Release notes](https://github.com/minetest-mods/moreblocks/releases)
- [Commits](https://github.com/minetest-mods/moreblocks/compare/f8a7d66403b4b1e2d87eeb4249a9be3edb906861...fe34e3f3cd3e066ba0be76f9df46c11e66411496)

moreblocks @ fe34e3f3

-Subproject commit f8a7d66403b4b1e2d87eeb4249a9be3edb906861
+Subproject commit fe34e3f3cd3e066ba0be76f9df46c11e66411496