[vim] bump gundo and vimwiki plugins
diff --git a/.vim/pack/alpha/start/gundo.vim b/.vim/pack/alpha/start/gundo.vim
index 99e62403..c5efef19 160000
--- a/.vim/pack/alpha/start/gundo.vim
+++ b/.vim/pack/alpha/start/gundo.vim
@@ -1 +1 @@
-Subproject commit 99e6240340d9ba07b66c544daf44fa7caffbf7e7
+Subproject commit c5efef192b975b8e7d5fa3c6db932648d3b76323
diff --git a/.vim/pack/alpha/start/vimwiki b/.vim/pack/alpha/start/vimwiki
index af08e340..f28fe1ae 160000
--- a/.vim/pack/alpha/start/vimwiki
+++ b/.vim/pack/alpha/start/vimwiki
@@ -1 +1 @@
-Subproject commit af08e340006e73c3c93eebd8069ffe77df82e7e1
+Subproject commit f28fe1ae436b1bd19643a706eadf08cb8a0a1676