Update history to reflect merge of jekyll#243 [ci skip]

jekyllbot · jekyllbot · commit 6a751b274300 · 2021-09-27T11:20:09.000-04:00
diff --git a/History.markdown b/History.markdown
@@ -9,6 +9,7 @@
   * fix Gemfile to correctly install jekyll 3.9 (#224)
   * Refactor specs for RedirectPage (#222)
   * Lock to RuboCop v1.18.x (#242)
+  * Clean up gemspec (#243)
 
 ### Bug Fixes
 
