refactor: use pipe

src/key.gleam

@@ -4,6 +4,7 @@ import gleam/crypto
 const key_length_bytes = 12
 
 pub fn generate() -> String {
-  crypto.strong_random_bytes(key_length_bytes)
+  key_length_bytes
+  |> crypto.strong_random_bytes
   |> bit_array.base64_url_encode(False)
 }