chore: Update rubocop to 1.60.1 (#823) #2459

Job	Run time
kafka / racecar / ubuntu-latest	15m 4s
kafka / rdkafka / ubuntu-latest	14m 51s
kafka / ruby_kafka / ubuntu-latest	5m 28s
mysql / mysql2 / ubuntu-latest	1m 23s
mysql / trilogy / ubuntu-latest	1m 8s
postgresql / pg / ubuntu-latest	2m 57s
redis / redis / ubuntu-latest	2m 8s
postgresql / que / ubuntu-latest	1m 58s
other / dalli / ubuntu-latest	2m 30s
redis / resque / ubuntu-latest	1m 50s
other / mongo / ubuntu-latest	2m 9s
rabbitmq / bunny / ubuntu-latest	54s
redis / sidekiq / ubuntu-latest	5m 59s
	58m 19s

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