Upgrade Feign. Fixes gh-333.

spring-cloud-openfeign-core/src/test/java/org/springframework/cloud/openfeign/FeignClientErrorDecoderTests.java

@@ -90,7 +90,9 @@ public class FeignClientErrorDecoderTests {
 		Map<Method, InvocationHandlerFactory.MethodHandler> dispatch = (Map<Method, InvocationHandlerFactory.MethodHandler>) ReflectionTestUtils
 				.getField(invocationHandler, "dispatch");
 		Method key = new ArrayList<>(dispatch.keySet()).get(0);
-		return ReflectionTestUtils.getField(dispatch.get(key), "errorDecoder");
+		return ReflectionTestUtils.getField(
+				ReflectionTestUtils.getField(dispatch.get(key), "asyncResponseHandler"),
+				"errorDecoder");
 	}
 
 	@Configuration(proxyBeanMethods = false)

spring-cloud-openfeign-dependencies/pom.xml

@@ -15,7 +15,7 @@
 	<name>spring-cloud-openfeign-dependencies</name>
 	<description>Spring Cloud OpenFeign Dependencies</description>
 	<properties>
-		<feign.version>10.7.4</feign.version>
+		<feign.version>10.10.1</feign.version>
 		<feign-form.version>3.8.0</feign-form.version>
 	</properties>
 	<dependencyManagement>