chore(deps): update rust crate syn to v3

Cargo.lock

@@ -1021,7 +1021,7 @@ dependencies = [
  "itertools 0.15.0",
  "proc-macro2",
  "quote",
- "syn 2.0.119",
+ "syn 3.0.3",
 ]
 
 [[package]]

Cargo.toml

@@ -503,7 +503,7 @@ default-features = false
 version = "0.1"
 
 [workspace.dependencies.syn]
-version = "2.0"
+version = "3.0"
 default-features = false
 features = ["full", "extra-traits"]