Bump wit-bindgen from 0.49.0 to 0.50.0 (#18)

Bumps [wit-bindgen](https://github.com/bytecodealliance/wit-bindgen) from 0.49.0 to 0.50.0.
- [Release notes](https://github.com/bytecodealliance/wit-bindgen/releases)
- [Commits](bytecodealliance/wit-bindgen@v0.49.0...v0.50.0)

---
updated-dependencies:
- dependency-name: wit-bindgen
  dependency-version: 0.50.0
  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>

Author: dependabot[bot]

Cargo.lock

@@ -5,4 +5,4 @@ members = [
 ]
 
 [workspace.dependencies]
-wit-bindgen = "0.49.0"
+wit-bindgen = "0.50.0"