Vendor dependencies for 0.3.0 release

vendor/bevy_reflect_derive/src/impls/assertions.rs

@@ -0,0 +1,13 @@
+use crate::{derive_data::ReflectDerive, remote::generate_remote_assertions};
+use quote::quote;
+
+/// Generates an anonymous block containing compile-time assertions.
+pub(crate) fn impl_assertions(derive_data: &ReflectDerive) -> proc_macro2::TokenStream {
+    let mut output = quote!();
+
+    if let Some(assertions) = generate_remote_assertions(derive_data) {
+        output.extend(assertions);
+    }
+
+    output
+}