chore: bump trees from 0.2.1 to 0.4.2 (#18041)

Bumps [trees](https://github.com/oooutlk/trees) from 0.2.1 to 0.4.2.
- [Release notes](https://github.com/oooutlk/trees/releases)
- [Commits](https://github.com/oooutlk/trees/commits)

---
updated-dependencies:
- dependency-name: trees
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

core/Cargo.toml

@@ -69,7 +69,7 @@ solana-vote-program = { path = "../programs/vote", version = "=1.8.0" }
 tempfile = "3.2.0"
 thiserror = "1.0"
 solana-rayon-threadlimit = { path = "../rayon-threadlimit", version = "=1.8.0" }
-trees = "0.2.1"
+trees = "0.4.2"
 
 [dev-dependencies]
 jsonrpc-core = "17.1.0"