fix(deps): update rust crate syn to 2.0.106

Author: renovate[bot]

Cargo.lock

@@ -21,7 +21,7 @@ reqwest = { version = "0.12.23", default-features = false, features = [
 serde = { version = "1.0.219", features = ["derive"] }
 serde_json = "1.0.143"
 serde_urlencoded = "0.7.1"
-syn = "2.0.104"
+syn = "2.0.106"
 thiserror = "2.0.12"
 tracing = "0.1.41"
 url = "2.5.4"