chore(deps): upgrade syn and prettyplease together (#349)

Co-authored-by: Codex <noreply@openai.com>

backend/Cargo.lock

@@ -1689,7 +1689,7 @@ dependencies = [
  "serde_json",
  "sha2 0.11.0",
  "subtle",
- "syn 2.0.119",
+ "syn 3.0.6",
  "tempfile",
  "thiserror",
  "tokio",
@@ -3171,12 +3171,12 @@ checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
 
 [[package]]
 name = "prettyplease"
-version = "0.2.37"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479ca8adacdd7ce8f1fb39ce9ecccbfe93a3f1344b3d0d97f20bc0196208f62b"
+checksum = "2bfe0f4c752e450fc2faf62654f1c134747922825d5b04ca717b8874f41a40c0"
 dependencies = [
  "proc-macro2",
- "syn 2.0.119",
+ "syn 3.0.6",
 ]
 
 [[package]]

backend/crates/gateway-admin/Cargo.toml

@@ -36,9 +36,9 @@ chrono-tz = "0.10"
 tokio = { version = "1.52", features = ["rt", "time", "macros", "sync"] }
 
 [dev-dependencies]
-prettyplease = "0.2"
+prettyplease = "0.3"
 quote = "1"
-syn = { version = "2", features = ["full", "visit-mut"] }
+syn = { version = "3", features = ["full", "visit-mut"] }
 tempfile = "3"
 tokio = { version = "1.52.3", default-features = false, features = ["macros", "rt", "test-util"] }
 

backend/crates/gateway-admin/tests/use_case/service_contract.rs

@@ -59,6 +59,7 @@ impl VisitMut for WireTypes {
                 "DateTime" | "Tz" | "TokenPrice" | "AdminApiKey" => parse_quote!(String),
                 "OpaqueProviderData" => parse_quote!(serde_json::Map<String, serde_json::Value>),
                 _ => Type::Path(syn::TypePath {
+                    attrs: std::mem::take(&mut path.attrs),
                     qself: None,
                     path: last.into(),
                 }),