Update aws-sdk to 1.42.27

Upgrade the aws golang SDK to 1.42.27 to add the new options for
configuring S3 dualstack endpoints.

Signed-off-by: Adam Kaplan <adam.kaplan@redhat.com>

vendor/github.com/aws/aws-sdk-go/private/protocol/rest/build.go

@@ -98,7 +98,7 @@ func buildLocationElements(r *request.Request, v reflect.Value, buildGETQuery bo
 
 			// Support the ability to customize values to be marshaled as a
 			// blob even though they were modeled as a string. Required for S3
-			// API operations like SSECustomerKey is modeled as stirng but
+			// API operations like SSECustomerKey is modeled as string but
 			// required to be base64 encoded in request.
 			if field.Tag.Get("marshal-as") == "blob" {
 				m = m.Convert(byteSliceType)

vendor/github.com/aws/aws-sdk-go/private/protocol/rest/payload.go

@@ -28,18 +28,27 @@ func PayloadMember(i interface{}) interface{} {
 	return nil
 }
 
-// PayloadType returns the type of a payload field member of i if there is one, or "".
+const nopayloadPayloadType = "nopayload"
+
+// PayloadType returns the type of a payload field member of i if there is one,
+// or "".
 func PayloadType(i interface{}) string {
 	v := reflect.Indirect(reflect.ValueOf(i))
 	if !v.IsValid() {
 		return ""
 	}
+
 	if field, ok := v.Type().FieldByName("_"); ok {
+		if noPayload := field.Tag.Get(nopayloadPayloadType); noPayload != "" {
+			return nopayloadPayloadType
+		}
+
 		if payloadName := field.Tag.Get("payload"); payloadName != "" {
 			if member, ok := v.Type().FieldByName(payloadName); ok {
 				return member.Tag.Get("type")
 			}
 		}
 	}
+
 	return ""
 }

vendor/github.com/aws/aws-sdk-go/private/protocol/rest/unmarshal.go

@@ -140,7 +140,7 @@ func unmarshalLocationElements(resp *http.Response, v reflect.Value, lowerCaseHe
 				prefix := field.Tag.Get("locationName")
 				err := unmarshalHeaderMap(m, resp.Header, prefix, lowerCaseHeaderMaps)
 				if err != nil {
-					awserr.New(request.ErrCodeSerialization, "failed to decode REST response", err)
+					return awserr.New(request.ErrCodeSerialization, "failed to decode REST response", err)
 				}
 			}
 		}