[vim] update gundo
change
commit faabd997d922f157e73c29286c9fe8926990bf52
author Alpha Chen <alpha@kejadlen.dev>
date
parent 9e593aa8 
diff --git a/.vim/pack/alpha/start/gundo.vim b/.vim/pack/alpha/start/gundo.vim
index 46c443ee..99e62403 160000
--- a/.vim/pack/alpha/start/gundo.vim
+++ b/.vim/pack/alpha/start/gundo.vim
@@ -1 +1 @@
-Subproject commit 46c443ee9d5854320eb965a1fdee781ba83a070e
+Subproject commit 99e6240340d9ba07b66c544daf44fa7caffbf7e7