Update git submodules

* Update plugins/codemirror-editor from branch 'master'
  to 783adf7ddf19924d054a1596eec6dd3da9f4aafe
  - Merge "Show Line Length Indicator at 72 Characters for Commit Messages"
  - Show Line Length Indicator at 72 Characters for Commit Messages
    
    This is recommended line length for commit messages.
    
    Screenshot: https://imgur.com/a/Mi8dOLR
    
    Google-Bug-Id: b/361035569
    Release-Notes: skip
    Change-Id: Iadaac002ad7be33f69bac2fe5e051ff501e964bf
    
diff --git a/plugins/codemirror-editor b/plugins/codemirror-editor
index 06719ab..783adf7 160000
--- a/plugins/codemirror-editor
+++ b/plugins/codemirror-editor
@@ -1 +1 @@
-Subproject commit 06719abee6c38d17008599f074050db5153bffa3
+Subproject commit 783adf7ddf19924d054a1596eec6dd3da9f4aafe