rust/toolchains(deps): bump wit-parser in /tools-builder/toolchains

Bumps [wit-parser](https://github.com/bytecodealliance/wasm-tools) from 0.240.0 to 0.241.2.
- [Release notes](https://github.com/bytecodealliance/wasm-tools/releases)
- [Commits](https://github.com/bytecodealliance/wasm-tools/commits)

---
updated-dependencies:
- dependency-name: wit-parser
  dependency-version: 0.241.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

tools-builder/toolchains/Cargo.lock

@@ -21,5 +21,5 @@ wasm-encoder = "0.241"
 wat = "1.240"
 
 # Component model support
-wit-parser = "0.240"
+wit-parser = "0.242"
 wit-component = "0.240"