Use new number_of_words plugin

Thanks to @ashmaroli's help:
jekyll/jekyll#7813 (comment)

_plugins/number_of_words.rb

@@ -1,8 +1,13 @@
-CJK_REGEX = /\p{Han}|\p{Katakana}|\p{Hiragana}|\p{Hangul}/
+CJK_CLASS = %!\p{Han}\p{Katakana}\p{Hiragana}\p{Hangul}!
+CJK_REGEX = %r![#{CJK_CLASS}]!o
+WORD_REGEX = %r![#{CJK_CLASS}\s]!o
+
 module Jekyll
   module Filters
     def number_of_words input
-      input.scan(CJK_REGEX).length + input.gsub(CJK_REGEX, ' ').split.length
+      cjk_count = input.scan(CJK_REGEX).length
+      return input.split.length if cjk_count.zero?
+      cjk_count + input.scan(WORD_REGEX).length
     end
   end
 end

script/deploy-actions.sh

@@ -18,7 +18,7 @@ e_info "Adding commit info"
 git config user.name "${GIT_USER:-GitHub}"
 git config user.email "${GIT_EMAIL:-noreply@github.com}"
 git add --all
-git commit --message "${COMMIT_MSG}" --message "$source_msg" &>/dev/null
+git commit --quiet --message "${COMMIT_MSG}" --message "$source_msg"
 
 e_info "Pushing to GitHub"
 SSH_AUTH_SOCK=none \