build: Bump piper from 0.2.3 to 0.2.4

Bumps [piper](https://github.com/smol-rs/piper) from 0.2.3 to 0.2.4.
- [Release notes](https://github.com/smol-rs/piper/releases)
- [Changelog](https://github.com/smol-rs/piper/blob/main/CHANGELOG.md)
- [Commits](https://github.com/smol-rs/piper/compare/v0.2.3...v0.2.4)

---
updated-dependencies:
- dependency-name: piper
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.lock

@@ -1570,9 +1570,9 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "piper"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae1d5c74c9876f070d3e8fd503d748c7d974c3e48da8f41350fa5222ef9b4391"
+checksum = "96c8c490f422ef9a4efd2cb5b42b76c8613d7e7dfc1caf667b8a3350a5acc066"
 dependencies = [
  "atomic-waker",
  "fastrand",