update to aws-sdk-go v1.16.15

Gopkg.lock

@@ -37,6 +37,7 @@
     "aws/credentials",
     "aws/credentials/ec2rolecreds",
     "aws/credentials/endpointcreds",
+    "aws/credentials/processcreds",
     "aws/credentials/stscreds",
     "aws/csm",
     "aws/defaults",
@@ -45,13 +46,18 @@
     "aws/request",
     "aws/session",
     "aws/signer/v4",
+    "internal/ini",
+    "internal/s3err",
     "internal/sdkio",
     "internal/sdkrand",
+    "internal/sdkuri",
     "internal/shareddefaults",
     "private/protocol",
     "private/protocol/ec2query",
     "private/protocol/eventstream",
     "private/protocol/eventstream/eventstreamapi",
+    "private/protocol/json/jsonutil",
+    "private/protocol/jsonrpc",
     "private/protocol/query",
     "private/protocol/query/queryutil",
     "private/protocol/rest",
@@ -60,11 +66,13 @@
     "service/cloudwatch",
     "service/ec2",
     "service/ec2/ec2iface",
+    "service/resourcegroupstaggingapi",
+    "service/resourcegroupstaggingapi/resourcegroupstaggingapiiface",
     "service/s3",
     "service/sts"
   ]
-  revision = "fde4ded7becdeae4d26bf1212916aabba79349b4"
-  version = "v1.14.12"
+  revision = "62936e15518acb527a1a9cb4a39d96d94d0fd9a2"
+  version = "v1.16.15"
 
 [[projects]]
   branch = "master"