Bump reek from 6.0.1 to 6.0.2

Bumps reek from 6.0.1 to 6.0.2.

Changelog

Sourced from reek's changelog.

6.0.2 (2020-10-17)

• (mvz) Loosen dependency on psych. This should resolve installation problems on mingw32
• (Cesario Uy) Fix typo in docs for "Boolean Parameter" smell
• (mvz) Set link metadata in gemspec

Commits

• 2e1b648 Merge pull request #1557 from troessner/prepare-v6.0.2
• 5d46620 Prepare version 6.0.2 for release
• dc309ad Merge pull request #1555 from troessner/update-rubocop
• c42fc40 Update rubocop to version 0.93.0
• 3d4210d Merge pull request #1552 from troessner/update-rubocop
• 24fb284 Make default smell configuration file name available everywhere
• ddacc5a Fix reference to default configuration file
• 413b815 Fix performance specs
• 150aece Fix several offenses
• 30cf4aa Update RuboCop dependencies
• Additional commits viewable in compare view