feat: configuration adapters #6438

Job	Run time
sample_operators_tests (sample-operators/tomcat-operator)	3m 0s
sample_operators_tests (sample-operators/mysql-schema)	5m 28s
sample_operators_tests (sample-operators/leader-election)	3m 20s
sample_operators_tests (sample-operators/webpage)	3m 16s
	15m 4s

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