build(deps): bump spin from 0.5.0 to 0.5.2 in /cross-checks/zero-malloc

Bumps [spin](https://github.com/mvdnes/spin-rs) from 0.5.0 to 0.5.2.
- [Changelog](https://github.com/zesterer/spin-rs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mvdnes/spin-rs/commits)

---
updated-dependencies:
- dependency-name: spin
  dependency-version: 0.5.2
  dependency-type: direct:production
...

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

Author: dependabot[bot]

cross-checks/zero-malloc/Cargo.lock

@@ -16,5 +16,5 @@ debug-print = []
 
 [dependencies]
 parking_lot = {version = "0.6", features = ["nightly"]}
-spin = "0.5.0"
+spin = "0.5.2"