* master: (41 commits)
Fix rubocop offenses on master.
script/fmt: print Rubocop version
Update history to reflect merge of #5030 [ci skip]
rubocop: separate deprecator error messages
Update history to reflect merge of #5031 [ci skip]
Update history to reflect merge of #5032 [ci skip]
rubocop: fix code style
rubocop: fix code style
rubocop: fix code style
Update history to reflect merge of #5024 [ci skip]
Update history to reflect merge of #5025 [ci skip]
utils: check that the object is a hash when merging default_proc
Update history to reflect merge of #5026 [ci skip]
rubocop: refactor modified? method
Add a benchmark for capture vs. assign in Liquid. [ci skip]
Update history to reflect merge of #5027 [ci skip]
Add generator-jekyllized to third party plugins
rubocop: fix code style
rubocop: fix code style
rubocop: fix code style
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