servactory 2.9.0.rc4

• appraisal 2.5.0 ~> 2.5

• async 2.17.0 >= 1.31

• datory 2.1.0 >= 2.1.0

• pry 0.14.2 ~> 0.14

• rake 13.2.1 ~> 13.0

• rbs 3.6.0 >= 3.1.3

• rspec 3.13.0 ~> 3.12

• rubocop 1.66.1 ~> 1.57

• rubocop-performance 1.22.1 ~> 1.19

• rubocop-rake 0.6.0 ~> 0.6

• rubocop-rspec 2.31.0 ~> 2.24

• steep 1.8.0 ~> 1.5

• yard 0.9.37 ~> 0.9