Bump com.fasterxml.jackson.core:jackson-core from 2.19.2 to 2.21.1 in /samples/client/echo_api/java/native #8

Job	Run time
Build Java Client JDK11 (samples/client/echo_api/java/feign-gson)	1m 30s
Build Java Client JDK11 (samples/client/echo_api/java/resttemplate)	1m 26s
Build Java Client JDK11 (samples/client/echo_api/java/apache-httpclient)	1m 28s
Build Java Client JDK11 (samples/client/echo_api/java/resteasy)	1m 13s
Build Java Client JDK11 (samples/client/echo_api/java/native)	37s
	6m 14s

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