Update Rust crate pkg-config to v0.3.30

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
pkg-config	build-dependencies	patch	=0.3.29 -> =0.3.30

---

Release Notes

rust-lang/pkg-config-rs (pkg-config)

### [`v0.3.30`](https://togithub.com/rust-lang/pkg-config-rs/blob/HEAD/CHANGELOG.md#0330---2024-02-14) [Compare Source](https://togithub.com/rust-lang/pkg-config-rs/compare/0.3.29...0.3.30) ##### Changed - Update documentation for cross-compilation ([#​161](https://togithub.com/rust-lang/pkg-config-rs/issues/161)). - Update GitHub Action CI ([#​160](https://togithub.com/rust-lang/pkg-config-rs/issues/160)).

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.