chore: bump memmap2 from 0.3.0 to 0.3.1 (#19255)

* chore: bump memmap2 from 0.3.0 to 0.3.1

Bumps [memmap2](https://github.com/RazrFalcon/memmap2-rs) from 0.3.0 to 0.3.1.
- [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/v.0.3.0...v0.3.1)

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

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* [auto-commit] Update all Cargo lock files

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: dependabot-buildkite <dependabot-buildkite@noreply.solana.com>

runtime/Cargo.toml

@@ -26,7 +26,7 @@ lazy_static = "1.4.0"
 libc = "0.2.99"
 libloading = "0.7.0"
 log = "0.4.14"
-memmap2 = "0.3.0"
+memmap2 = "0.3.1"
 num-derive = { version = "0.3" }
 num-traits = { version = "0.2" }
 num_cpus = "1.13.0"