Test

Enhance optional plugin docs for Spring Gateway. #2099

Job	Run time
Build	6m 48s
activemq-scenario	4m 26s
agent-so11y-scenario	1m 32s
apm-toolkit-trace-scenario	1m 13s
apm-toolkit-tracer-scenario	1m 10s
armeria-0.96minus-scenario	9m 25s
armeria-0.96plus-scenario	15m 39s
avro-scenario	1m 57s
asynchttpclient-scenario	7m 0s
canal-scenario	2m 17s
cassandra-java-driver-3.x-scenario	1m 49s
customize-scenario	2m 32s
correlation-autotag-scenario	1m 32s
dubbo-2.5.x-scenario	2m 27s
dubbo-2.7.x-scenario	5m 57s
dubbo-3.x-scenario	1m 17s
ehcache-2.x-scenario	2m 20s
elasticsearch-5.x-scenario	1m 29s
elasticsearch-rest-high-level-6.x-scenario	2m 16s
elasticsearch-transport-6.x-scenario	6m 3s
elasticsearch-7.x-scenario	12m 28s
exception-checker-spring-scenario	1m 30s
exception-checker-tomcat-scenario	1m 12s
feign-scenario	4m 26s
finagle-17.10.x-scenario	12m 18s
finagle-6.44.x-scenario	3m 13s
gateway-2.1.x-scenario	2m 18s
gateway-2.0.x-scenario	2m 25s
grpc-scenario	11m 51s
gson-scenario	1m 15s
guava-cache-scenario	3m 9s
elasticjob-3.x-scenario	1m 20s
springmvc-reactive-scenario	1m 9s
springmvc-reactive-devtools-scenario	1m 16s
fastjson-scenario	1m 16s
jackson-scenario	1m 9s
	2h 21m 24s

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