build(deps): bump memmap2 from 0.5.5 to 0.5.6
build(deps): bump memmap2 from 0.5.5 to 0.5.6

Bumps [memmap2](https://github.com/RazrFalcon/memmap2-rs) from 0.5.5 to 0.5.6.
- [Release notes](https://github.com/RazrFalcon/memmap2-rs/releases)
- [Changelog](https://github.com/RazrFalcon/memmap2-rs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/RazrFalcon/memmap2-rs/compare/v0.5.5...v0.5.6)

---
updated-dependencies:
- dependency-name: memmap2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
uutils/coreutils,uutils/coreutils,uutils/coreutils