fix(per-directory-history): ^G also in vi mode (#11808)

Co-authored-by: Chris Hamill <chamill@ets.org>

plugins/per-directory-history/per-directory-history.zsh

@@ -81,6 +81,7 @@ function per-directory-history-toggle-history() {
 autoload per-directory-history-toggle-history
 zle -N per-directory-history-toggle-history
 bindkey $PER_DIRECTORY_HISTORY_TOGGLE per-directory-history-toggle-history
+bindkey -M vicmd $PER_DIRECTORY_HISTORY_TOGGLE per-directory-history-toggle-history
 
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 # implementation details