[vim] bump rust.vim
change
commit 4fc34fef0e89e1fb3d88e65c3e83921b12495371
author Alpha Chen <alpha@kejadlen.dev>
date
parent 74430e38 
diff --git a/.vim/pack/alpha/start/rust.vim b/.vim/pack/alpha/start/rust.vim
index c06a1715..4aa69b84 160000
--- a/.vim/pack/alpha/start/rust.vim
+++ b/.vim/pack/alpha/start/rust.vim
@@ -1 +1 @@
-Subproject commit c06a17151c69b9d61e60a28274932a28fd37c453
+Subproject commit 4aa69b84c8a58fcec6b6dad6fe244b916b1cf830