deps: update dependencies

fix-macros/Cargo.toml

@@ -7,10 +7,9 @@ edition = "2024"
 proc-macro = true
 
 [dependencies]
-manyhow = "0.11"
 proc-macro2 = "1.0"
 quote = "1.0"
-syn = { version = "2.0", features = ["full", "visit"] }
+syn = { version = "3.0", features = ["full", "visit-mut"] }
 
 [lints]
 workspace = true