Add support for RESTEasy 6.x #1666

Job	Run time
Build	8m 56s
activemq-scenario	8m 14s
apm-toolkit-trace-scenario	1m 38s
apm-toolkit-tracer-scenario	1m 47s
armeria-0.96minus-scenario	15m 14s
armeria-0.96plus-scenario	21m 11s
avro-scenario	2m 27s
asynchttpclient-scenario	10m 58s
canal-scenario	3m 24s
cassandra-java-driver-3.x-scenario	1m 55s
customize-scenario	2m 4s
correlation-autotag-scenario	2m 2s
dubbo-2.5.x-scenario	4m 5s
dubbo-2.7.x-scenario	2m 28s
dubbo-3.x-scenario	1m 35s
ehcache-2.x-scenario	3m 19s
elasticsearch-5.x-scenario	3m 6s
elasticsearch-rest-high-level-6.x-scenario	3m 29s
elasticsearch-transport-6.x-scenario	10m 4s
elasticsearch-7.x-scenario	8m 37s
exception-checker-spring-scenario	2m 13s
exception-checker-tomcat-scenario	1m 41s
feign-scenario	4m 49s
finagle-17.10.x-scenario	20m 45s
finagle-6.44.x-scenario	5m 3s
gateway-2.1.x-scenario	3m 7s
gateway-2.0.x-scenario	4m 3s
grpc-scenario	16m 42s
gson-scenario	2m 12s
guava-cache-scenario	5m 18s
elasticjob-3.x-scenario	2m 0s
springmvc-reactive-scenario	2m 4s
springmvc-reactive-devtools-scenario	2m 25s
fastjson-scenario	2m 17s
jackson-scenario	2m 27s
	3h 13m 39s

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