Allow to encode protobuf into memoryview buffer

core/embed/rust/src/protobuf/obj.rs

@@ -355,7 +355,7 @@ pub static mp_module_trezorproto: Module = obj_module! {
     ///     """Calculate length of encoding of the specified message."""
     Qstr::MP_QSTR_encoded_length => obj_fn_1!(protobuf_len).as_obj(),
 
-    /// def encode(buffer: bytearray, msg: MessageType) -> int:
+    /// def encode(buffer: bytearray | memoryview, msg: MessageType) -> int:
     ///     """Encode the message into the specified buffer. Return length of
     ///     encoding."""
     Qstr::MP_QSTR_encode => obj_fn_2!(protobuf_encode).as_obj()

core/mocks/generated/trezorproto.pyi

@@ -42,6 +42,6 @@ def encoded_length(msg: MessageType) -> int:
 
 
 # rust/src/protobuf/obj.rs
-def encode(buffer: bytearray, msg: MessageType) -> int:
+def encode(buffer: bytearray | memoryview, msg: MessageType) -> int:
     """Encode the message into the specified buffer. Return length of
     encoding."""