Bump com.puppycrawl.tools:checkstyle from 10.20.1 to 10.20.2 #3398

Job	Run time
build	1m 58s
helm	12s
lint	7s
integration-test (bad-request)	40s
integration-test (dynamodb)	51s
integration-test (mongodb)	35s
integration-test (inmemorydb)	32s
integration-test (update-existing-email)	38s
integration-test (argon)	34s
integration-test (bcrypt)	33s
integration-test (sha256)	38s
integration-test (disabled-email-and-swagger)	32s
integration-test (disabled-password-header)	30s
integration-test (oauth)	33s
release-edge	0s
release-tag	0s
test-deploy	0s
	8m 53s

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