Introduce JPA to Simplify Simple SQL #8494

Job	Run time
build (shenyu-integrated-test-k8s-ingress-apache-dubbo)	9m 49s
build (shenyu-integrated-test-k8s-ingress-grpc)	10m 17s
build (shenyu-integrated-test-k8s-ingress-websocket)	9m 53s
build (shenyu-integrated-test-k8s-ingress-motan)	9m 52s
build (shenyu-integrated-test-k8s-ingress-http)	9m 22s
	49m 13s

Provide feedback