⬆️ 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] <support@github.com>

Cargo.toml

@@ -61,7 +61,7 @@ smallvec = { version = "1.13.1", features = [
 ], default-features = false }
 futures = { version = "0.3.30", default-features = false, features = ["alloc"] }
 dhat = { version = "0.3.2", optional = true, default-features = false }
-mimalloc = { version = "0.1.38", default-features = false }
+mimalloc = { version = "0.1.43", default-features = false }
 async-once-cell = { version = "0.5.3", default-features = false }
 actix-governor = { version = "0.5.0", default-features = false }
 mini-moka = { version = "0.10", optional = true, default-features = false, features = [