build(deps): bump pkg-config from 0.3.29 to 0.3.30

Bumps [pkg-config](https://github.com/rust-lang/pkg-config-rs) from 0.3.29 to 0.3.30.
- [Changelog](https://github.com/rust-lang/pkg-config-rs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/pkg-config-rs/commits)

---
updated-dependencies:
- dependency-name: pkg-config
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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