vendor: Update vendor logic

vendor/github.com/emicklei/go-restful/CHANGES.md

@@ -1,25 +1,56 @@
-Change history of go-restful
-=
+## Change history of go-restful
+
+
+v2.9.5
+- fix panic in Response.WriteError if err == nil
+
+v2.9.4
+
+- fix issue #400 , parsing mime type quality
+- Route Builder added option for contentEncodingEnabled (#398)
+
+v2.9.3
+
+- Avoid return of 415 Unsupported Media Type when request body is empty (#396)
+
+v2.9.2
+
+- Reduce allocations in per-request methods to improve performance (#395)
+
+v2.9.1
+
+- Fix issue with default responses and invalid status code 0. (#393)
+
+v2.9.0
+
+- add per Route content encoding setting (overrides container setting)
+
 v2.8.0
+
 - add Request.QueryParameters()
 - add json-iterator (via build tag)
 - disable vgo module (until log is moved)
 
 v2.7.1
+
 - add vgo module
 
 v2.6.1
+
 - add JSONNewDecoderFunc to allow custom JSON Decoder usage (go 1.10+)
 
 v2.6.0
+
 - Make JSR 311 routing and path param processing consistent
 - Adding description to RouteBuilder.Reads()
 - Update example for Swagger12 and OpenAPI
 
 2017-09-13
+
 - added route condition functions using `.If(func)` in route building.
 
 2017-02-16
+
 - solved issue #304, make operation names unique
 
 2017-01-30