vendor: update all dependencies

vendor/github.com/aws/aws-sdk-go/models/apis/sts/2011-06-15/api-2.json

@@ -7,6 +7,7 @@
     "protocol":"query",
     "serviceAbbreviation":"AWS STS",
     "serviceFullName":"AWS Security Token Service",
+    "serviceId":"STS",
     "signatureVersion":"v4",
     "uid":"sts-2011-06-15",
     "xmlNamespace":"https://sts.amazonaws.com/doc/2011-06-15/"
@@ -405,7 +406,7 @@
     },
     "SAMLAssertionType":{
       "type":"string",
-      "max":50000,
+      "max":100000,
       "min":4
     },
     "Subject":{"type":"string"},

vendor/github.com/aws/aws-sdk-go/models/apis/sts/2011-06-15/smoke.json

@@ -0,0 +1,19 @@
+{
+    "version": 1,
+    "defaultRegion": "us-west-2",
+    "testCases": [
+        {
+            "operationName": "GetSessionToken",
+            "input": {},
+            "errorExpectedFromService": false
+        },
+        {
+            "operationName": "GetFederationToken",
+            "input": {
+                "Name": "temp",
+                "Policy": "{\\\"temp\\\":true}"
+            },
+            "errorExpectedFromService": true
+        }
+    ]
+}