deps: update dependency com.puppycrawl.tools:checkstyle to v10.20.2 (… #1515

Job	Run time
build (8, java-bigquery, test)	2m 38s
build (8, java-bigquery, lint)	1m 12s
build (8, java-bigquery, clirr)	1m 15s
javadoc-with-doclet (java-bigtable)	1m 24s
build (8, java-bigquery, javadoc)	1m 21s
javadoc-with-doclet (java-bigquery)	1m 48s
build (8, java-bigquery, javadoc-with-doclet)	1m 2s
javadoc-with-doclet (java-storage)	1m 19s
build (8, java-bigtable, test)	3m 2s
javadoc-with-doclet (java-storage-nio)	51s
build (8, java-bigtable, lint)	1m 45s
javadoc-with-doclet (java-spanner)	2m 6s
build (8, java-bigtable, clirr)	1m 23s
javadoc-with-doclet (java-spanner-jdbc)	53s
build (8, java-bigtable, javadoc)	2m 21s
javadoc-with-doclet (java-pubsub)	1m 22s
build (8, java-bigtable, javadoc-with-doclet)	1m 15s
javadoc-with-doclet (java-pubsublite)	1m 49s
build (11, java-bigquery, test)	2m 37s
javadoc-with-doclet (java-logging)	1m 1s
build (11, java-bigquery, lint)	1m 51s
javadoc-with-doclet (java-logging-logback)	53s
build (11, java-bigquery, clirr)	2m 3s
javadoc-with-doclet (java-firestore)	1m 37s
build (11, java-bigquery, javadoc)	1m 30s
javadoc-with-doclet (java-datastore)	1m 36s
build (11, java-bigquery, javadoc-with-doclet)	58s
javadoc-with-doclet (java-bigquerystorage)	1m 27s
build (11, java-bigtable, test)	3m 57s
build (11, java-bigtable, lint)	1m 37s
build (11, java-bigtable, clirr)	1m 36s
build (11, java-bigtable, javadoc)	2m 28s
build (11, java-bigtable, javadoc-with-doclet)	1m 17s
	55m 14s

Provide feedback