vendor: update all dependencies

vendor/github.com/aws/aws-sdk-go/models/apis/polly/2016-06-10/api-2.json

@@ -508,6 +508,7 @@
         "Penelope",
         "Chantal",
         "Celine",
+        "Lea",
         "Mathieu",
         "Dora",
         "Karl",

vendor/github.com/aws/aws-sdk-go/models/apis/polly/2016-06-10/docs-2.json

@@ -301,7 +301,7 @@
       }
     },
     "TextLengthExceededException": {
-      "base": "<p>The value of the \"Text\" parameter is longer than the accepted limits. The limit for input text is a maximum of 3000 characters total, of which no more than 1500 can be billed characters. SSML tags are not counted as billed characters.</p>",
+      "base": "<p>The value of the \"Text\" parameter is longer than the accepted limits. The limit for input text is a maximum of 6000 characters total, of which no more than 3000 can be billed characters. SSML tags are not counted as billed characters.</p>",
       "refs": {
       }
     },

vendor/github.com/aws/aws-sdk-go/models/apis/polly/2016-06-10/smoke.json

@@ -0,0 +1,11 @@
+{
+    "version": 1,
+    "defaultRegion": "us-west-2",
+    "testCases": [
+        {
+            "operationName": "DescribeVoices",
+            "input": {},
+            "errorExpectedFromService": false
+        }
+    ]
+}