fix(deps): update rust crate syn to v2

renovate[bot] · web-flow · commit 6ab21cf311b6 · 2023-11-13T17:49:41.000Z
diff --git a/lang-util-derive/Cargo.toml b/lang-util-derive/Cargo.toml
@@ -20,4 +20,4 @@ proc-macro = true
 darling = "0.14"
 proc-macro2 = "1.0"
 quote = "1.0"
-syn = "1.0"
+syn = "2.0"
