chore: bump spotbugs 4.10.2.0 and related fixes (#3458) #7391

Job	Run time
sample_operators_tests (sample-operators/mysql-schema)	4m 15s
sample_operators_tests (sample-operators/operations)	10m 25s
sample_operators_tests (sample-operators/tomcat-operator)	4m 49s
sample_operators_tests (sample-operators/leader-election)	4m 55s
sample_operators_tests (sample-operators/webpage)	4m 22s
	28m 46s

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