improve: config providers for yaml and properties logs only warning o… #6675

Job	Run time
sample_operators_tests (sample-operators/tomcat-operator)	2m 41s
sample_operators_tests (sample-operators/mysql-schema)	2m 39s
sample_operators_tests (sample-operators/webpage)	2m 54s
sample_operators_tests (sample-operators/metrics-processing)	7m 19s
sample_operators_tests (sample-operators/leader-election)	3m 21s
	18m 54s

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