build(deps): bump unicode-ident from 1.0.15 to 1.0.16 (#3568)

Bumps [unicode-ident](https://github.com/dtolnay/unicode-ident) from 1.0.15 to 1.0.16.
- [Release notes](https://github.com/dtolnay/unicode-ident/releases)
- [Commits](dtolnay/unicode-ident@1.0.15...1.0.16)

---
updated-dependencies:
- dependency-name: unicode-ident
  dependency-type: indirect
  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>

Cargo.lock

@@ -4105,9 +4105,9 @@ checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.15"
+version = "1.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11cd88e12b17c6494200a9c1b683a04fcac9573ed74cd1b62aeb2727c5592243"
+checksum = "a210d160f08b701c8721ba1c726c11662f877ea6b7094007e1ca9a1041945034"
 
 [[package]]
 name = "untrusted"