checkoff 0.12.1

• bump 0.10.0 >= 0

• bundler 2.5.10 >= 0

• minitest-profile 0.0.2 >= 0

• mocha 2.2.0 >= 0

• overcommit 0.63.0 >= 0.58.0

• rake 13.2.1 ~> 13.0

• rubocop 1.63.4 >= 0

• rubocop-minitest 0.35.0 >= 0

• rubocop-rake 0.6.0 >= 0

• simplecov 0.22.0 >= 0

• simplecov-lcov 0.8.0 >= 0

• undercover 0.5.0 >= 0