Limit Jekyll gem version

cotes2020 · cotes2020 · commit f43bb6ca96af · 2020-11-22T04:45:42.000+08:00
also to trigger new CI to bypass the bundle cache error in GH-Actions
diff --git a/Gemfile b/Gemfile
@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-gem "jekyll", ">=3.8.6"
+gem "jekyll", ">= 3.8.6", "< 5.0"
 
 # plugins
 group :jekyll_plugins do
