Bump cc from 1.1.20 to 1.1.21 (#59)

Bumps [cc](https://github.com/rust-lang/cc-rs) from 1.1.20 to 1.1.21.
- [Release notes](https://github.com/rust-lang/cc-rs/releases)
- [Changelog](https://github.com/rust-lang/cc-rs/blob/main/CHANGELOG.md)
- [Commits](rust-lang/cc-rs@cc-v1.1.20...cc-v1.1.21)

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

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

crates/nvtx-sys/Cargo.toml

@@ -12,7 +12,7 @@ license.workspace = true
 
 [build-dependencies]
 bindgen = "0.70.1"
-cc = "1.1.20"
+cc = "1.1.21"
 
 [dependencies]
 widestring = "1.1.0"