Tests

Merge pull request #558 from slack-ruby/automated-api-update #1782

Job	Run time
test (ruby=3.0)	49s
test (ruby=3.1)	49s
test (ruby=2.7)	1m 3s
test (ruby=2.7, concurrency=async-websocket)	1m 9s
test (ruby=ruby-head)	36s
test (ruby=jruby-head)	3m 17s
test (ruby=3.4)	50s
test (ruby=3.2)	23s
test (ruby=3.3)	52s
coveralls	3s
	9m 51s

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