cargo: Rename workspace-local library starting with c to servo_* (#43622)

- canvas 
- constellation_traits
- canvas_traits
- constellation

Testing: This should not change any behaviour.

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Signed-off-by: Euclid Ye <yezhizhenjiakang@gmail.com>

components/script/dom/testing/testbinding.rs

@@ -9,7 +9,6 @@ use std::ptr::{self, NonNull};
 use std::rc::Rc;
 use std::time::Duration;
 
-use constellation_traits::BlobImpl;
 use dom_struct::dom_struct;
 use js::jsapi::{Heap, JS_NewPlainObject, JSObject};
 use js::jsval::JSVal;
@@ -20,6 +19,7 @@ use script_bindings::cformat;
 use script_bindings::interfaces::TestBindingHelpers;
 use script_bindings::record::Record;
 use servo_config::prefs;
+use servo_constellation_traits::BlobImpl;
 
 use crate::dom::bindings::buffer_source::create_buffer_source;
 use crate::dom::bindings::callback::ExceptionHandling;