Bump memmap2 from 0.9.9 to 0.9.10

Bumps [memmap2](https://github.com/RazrFalcon/memmap2-rs) from 0.9.9 to 0.9.10.
- [Changelog](https://github.com/RazrFalcon/memmap2-rs/blob/master/CHANGELOG.md)
- [Commits](RazrFalcon/memmap2-rs@v0.9.9...v0.9.10)

---
updated-dependencies:
- dependency-name: memmap2
  dependency-version: 0.9.10
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]