build(deps): bump syn from 1.0.59 to 1.0.60

Bumps [syn](https://github.com/dtolnay/syn) from 1.0.59 to 1.0.60.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/1.0.59...1.0.60)

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

Cargo.lock

@@ -3515,9 +3515,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.59"
+version = "1.0.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07cb8b1b4ebf86a89ee88cbd201b022b94138c623644d035185c84d3f41b7e66"
+checksum = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
 dependencies = [
  "proc-macro2",
  "quote",

core/macros/Cargo.toml

@@ -11,5 +11,5 @@ proc-macro = true
 quote = "1.0.8"
 
 [dependencies.syn]
-version = "1.0.59"
+version = "1.0.60"
 features = ["full"]