fix: remove source plugin from bom release (#2866) #5312

Job	Run time
sample_operators_tests (sample-operators/leader-election)	24s
sample_operators_tests (sample-operators/mysql-schema)	25s
sample_operators_tests (sample-operators/webpage)	19s
sample_operators_tests (sample-operators/tomcat-operator)	26s
	1m 34s

Provide feedback