Bump cxx-build from 1.0.158 to 1.0.160

Bumps [cxx-build](https://github.com/dtolnay/cxx) from 1.0.158 to 1.0.160.
- [Release notes](https://github.com/dtolnay/cxx/releases)
- [Commits](https://github.com/dtolnay/cxx/compare/1.0.158...1.0.160)

---
updated-dependencies:
- dependency-name: cxx-build
  dependency-version: 1.0.160
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Cargo.lock

@@ -237,12 +237,13 @@ dependencies = [
 
 [[package]]
 name = "cxx-build"
-version = "1.0.158"
+version = "1.0.160"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36a8232661d66dcf713394726157d3cfe0a89bfc85f52d6e9f9bbc2306797fe7"
+checksum = "6aeeaf1aefae8e0f5141920a7ecbc64a22ab038d4b4ac59f2d19e0effafd5b53"
 dependencies = [
  "cc",
  "codespan-reporting",
+ "indexmap",
  "proc-macro2",
  "quote",
  "scratch",