Bump clang-sys from 1.2.0 to 1.3.1

Bumps [clang-sys](https://github.com/KyleMayes/clang-sys) from 1.2.0 to 1.3.1.
- [Release notes](https://github.com/KyleMayes/clang-sys/releases)
- [Changelog](https://github.com/KyleMayes/clang-sys/blob/master/CHANGELOG.md)
- [Commits](https://github.com/KyleMayes/clang-sys/compare/v1.2.0...v1.3.1)

---
updated-dependencies:
- dependency-name: clang-sys
  dependency-type: indirect
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.lock

@@ -724,9 +724,9 @@ dependencies = [
 
 [[package]]
 name = "clang-sys"
-version = "1.2.0"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "853eda514c284c2287f4bf20ae614f8781f40a81d32ecda6e91449304dfe077c"
+checksum = "4cc00842eed744b858222c4c9faf7243aafc6d33f92f96935263ef4d8a41ce21"
 dependencies = [
  "glob",
  "libc",