chore: bump version to 5.1.4-SNAPSHOT (#2962) #5619

Job	Run time
sample_operators_tests (sample-operators/tomcat-operator)	3m 31s
sample_operators_tests (sample-operators/webpage)	3m 30s
sample_operators_tests (sample-operators/mysql-schema)	2m 52s
sample_operators_tests (sample-operators/leader-election)	3m 30s
	13m 23s

Provide feedback