chore(deps): bump openrewrite.version from 8.78.0 to 8.78.2 #6723

Job	Run time
sample_operators_tests (sample-operators/tomcat-operator)	3m 34s
sample_operators_tests (sample-operators/leader-election)	3m 31s
sample_operators_tests (sample-operators/mysql-schema)	3m 8s
sample_operators_tests (sample-operators/metrics-processing)	7m 53s
sample_operators_tests (sample-operators/webpage)	3m 12s
	21m 18s

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