[java][microprofile] Using incorrect @Multipart instead of @FormParam #2732

Job	Run time
Gradle tests (samples/openapi3/client/petstore/java/jersey2-java8-special-characters)	1m 16s
Gradle tests (samples/openapi3/client/extensions/x-auth-id-alias/java/jersey2-java8)	1m 17s
Gradle tests (samples/client/petstore/java/jersey2-java8-localdatetime)	1m 23s
Gradle tests (samples/openapi3/client/petstore/java/jersey2-java8)	1m 22s
Gradle tests (samples/client/petstore/java/okhttp-gson-group-parameter)	1m 22s
Gradle tests (samples/client/petstore/java/native)	1m 18s
Gradle tests (samples/client/petstore/java/native-jakarta)	1m 12s
Gradle tests (samples/client/petstore/java/okhttp-gson)	1m 25s
Gradle tests (samples/client/petstore/java/jersey2-java8)	1s
Gradle tests (samples/client/petstore/java/webclient-swagger2)	1s
	10m 37s

Provide feedback