improve: run sonar for forked repo PRs #6659

Job	Run time
sample_operators_tests (sample-operators/mysql-schema)	2m 47s
sample_operators_tests (sample-operators/tomcat-operator)	2m 53s
sample_operators_tests (sample-operators/metrics-processing)	7m 33s
sample_operators_tests (sample-operators/leader-election)	3m 19s
sample_operators_tests (sample-operators/webpage)	3m 16s
	19m 48s

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