Update Java JaxRS modelEnum.mustache File

Signed-off-by: Chrimle <28791817+Chrimle@users.noreply.github.com>

Author: Chrimle

modules/openapi-generator/src/main/resources/JavaJaxRS/modelEnum.mustache

@@ -6,6 +6,9 @@ import com.fasterxml.jackson.annotation.JsonValue;
 /**
  * {{description}}{{^description}}Gets or Sets {{{name}}}{{/description}}
  */
+{{#isDeprecated}}
+@Deprecated
+{{/isDeprecated}}
 {{>additionalEnumTypeAnnotations}}public enum {{{datatypeWithEnum}}}{{^datatypeWithEnum}}{{{classname}}}{{/datatypeWithEnum}} {
   {{#gson}}
   {{#allowableValues}}{{#enumVars}}