Bump mimalloc from 0.1.42 to 0.1.43

Bumps [mimalloc](https://github.com/purpleprotocol/mimalloc_rust) from 0.1.42 to 0.1.43.
- [Release notes](https://github.com/purpleprotocol/mimalloc_rust/releases)
- [Commits](purpleprotocol/mimalloc_rust@v0.1.42...v0.1.43)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -34,7 +34,7 @@ hyper = { version = "0.14.29", default-features = false, features = [
 ipext = "0.1.0"
 libsodium-sys-stable = "1.20.9"
 log = { version = "0.4.21", features = ["std", "release_max_level_debug"] }
-mimalloc = { version = "0.1.42", default-features = false }
+mimalloc = { version = "0.1.43", default-features = false }
 socket2 = "0.5.7"
 parking_lot = "0.12.3"
 rand = "0.8.5"