Bump org.jboss.resteasy:resteasy-multipart-provider from 3.0.11.Final to 4.7.8.Final in /samples/server/petstore/jaxrs-resteasy/eap-java8 #601

Job	Run time
Build JAX-RS (samples/server/petstore/jaxrs/jersey2)	43s
Build JAX-RS (samples/server/petstore/jaxrs/jersey2-useTags)	36s
Build JAX-RS (samples/server/petstore/jaxrs-jersey)	45s
Build JAX-RS (samples/server/petstore/jaxrs-spec)	33s
Build JAX-RS (samples/server/petstore/jaxrs-spec-interface)	27s
Build JAX-RS (samples/server/petstore/jaxrs-spec-interface-response)	29s
Build JAX-RS (samples/server/petstore/jaxrs-jersey)	31s
Build JAX-RS (samples/server/petstore/jaxrs-spec)	34s
Build JAX-RS (samples/server/petstore/jaxrs-spec-interface)	27s
Build JAX-RS (samples/server/petstore/jaxrs-spec-interface-response)	42s
Build JAX-RS (samples/server/petstore/jaxrs-datelib-j8)	52s
Build JAX-RS (samples/server/petstore/jaxrs-resteasy/default)	52s
Build JAX-RS (samples/server/petstore/jaxrs-resteasy/eap)	34s
Build JAX-RS (samples/server/petstore/jaxrs-resteasy/eap-joda)	34s
Build JAX-RS (samples/server/petstore/jaxrs-resteasy/eap-java8)	25s
Build JAX-RS (samples/server/petstore/jaxrs-resteasy/joda)	48s
Build JAX-RS (samples/server/petstore/jaxrs-cxf)	41s
Build JAX-RS (samples/server/petstore/jaxrs-cxf-annotated-base-path)	39s
Build JAX-RS (samples/server/petstore/jaxrs-cxf-cdi)	41s
Build JAX-RS (samples/server/petstore/jaxrs-cxf-non-spring-app)	36s
Build JAX-RS (samples/server/petstore/jaxrs-spec-microprofile-openapi-annotations)	40s
	13m 9s

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