set default-features = false for darling

Author: Diwakar-Gupta

sea-orm-macros/Cargo.toml

@@ -23,7 +23,7 @@ syn = { version = "1", default-features = false }
 quote = { version = "1", default-features = false }
 heck = { version = "0.3", default-features = false }
 proc-macro2 = { version = "1", default-features = false }
-darling = "0.14.2"
+darling = { version = "0.14.2", default-features = false }
 
 [dev-dependencies]
 sea-orm = { path = "../", features = ["macros"] }