build(deps): bump async-trait from 0.1.66 to 0.1.68

Bumps [async-trait](https://github.com/dtolnay/async-trait) from 0.1.66 to 0.1.68.
- [Release notes](https://github.com/dtolnay/async-trait/releases)
- [Commits](https://github.com/dtolnay/async-trait/compare/0.1.66...0.1.68)

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

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

Cargo.lock

@@ -120,13 +120,13 @@ dependencies = [
 
 [[package]]
 name = "async-trait"
-version = "0.1.66"
+version = "0.1.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b84f9ebcc6c1f5b8cb160f6990096a5c127f423fcb6e1ccc46c370cbdfb75dfc"
+checksum = "86ea188f25f0255d8f92797797c97ebf5631fa88178beb1a46fdf5622c9a00e4"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.104",
+ "syn 2.0.3",
 ]
 
 [[package]]