Update git submodules

* Update plugins/codemirror-editor from branch 'master'
  to bf8ac0b8fa6385b0780dfa617db57b27109a1b0a
  - Added Vue language support
    
    Belongs to: https://gerrit-review.googlesource.com/c/gerrit/+/438424.
    
    Release-Notes: Added Vue language support.
    Change-Id: I0721c5a1cf8926ef37421bcc2e9c064fdf6895b4
    

plugins/codemirror-editor

diff --git a/plugins/codemirror-editor b/plugins/codemirror-editor
index 783adf7..bf8ac0b 160000
--- a/plugins/codemirror-editor
+++ b/plugins/codemirror-editor
@@ -1 +1 @@
-Subproject commit 783adf7ddf19924d054a1596eec6dd3da9f4aafe
+Subproject commit bf8ac0b8fa6385b0780dfa617db57b27109a1b0a