perlcritic: level 2

Dependencies

• [2] DKRFFV7C perlcritic: level 3
• [3] BJIR6VCG Start checking PRs with perlcritic
• [4] OTTKPHCP perlcritic: ratchet to severity 4

Change contents

• replacement in .perlcriticrc at line 4
  [3.73]→[2.0:13](∅→∅)
  − severity = 3
  [3.73]
  + severity = 2