vendor: upgrade AWS SDK Go to v1.16.5

Signed-off-by: Gyuho Lee <leegyuho@amazon.com>

go.mod

@@ -2,7 +2,7 @@ module github.com/aws/aws-k8s-tester
 
 require (
 	cloud.google.com/go v0.30.0 // indirect
-	github.com/aws/aws-sdk-go v1.15.87
+	github.com/aws/aws-sdk-go v1.16.5
 	github.com/blang/semver v3.5.1+incompatible
 	github.com/dustin/go-humanize v1.0.0
 	github.com/go-yaml/yaml v2.1.0+incompatible // indirect

go.sum

@@ -2,8 +2,8 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 cloud.google.com/go v0.30.0 h1:xKvyLgk56d0nksWq49J0UyGEeUIicTl4+UBiX1NPX9g=
 cloud.google.com/go v0.30.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
-github.com/aws/aws-sdk-go v1.15.87 h1:jINiVACUekofdZilUJs7CvKU9xLbzfIEhfD9w6U/174=
-github.com/aws/aws-sdk-go v1.15.87/go.mod h1:es1KtYUFs7le0xQ3rOihkuoVD90z7D0fR2Qm4S00/gU=
+github.com/aws/aws-sdk-go v1.16.5 h1:NVxzZXIuwX828VcJrpNxxWjur1tlOBISdMdDdHIKHcc=
+github.com/aws/aws-sdk-go v1.16.5/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
@@ -71,8 +71,8 @@ github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
-github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8 h1:12VvqtR6Aowv3l/EQUlocDHW2Cp4G9WJVH7uyH8QFJE=
-github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
+github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af h1:pmfjZENx5imkbgOkpRUYLnmbU7UEFbjtDA2hxJ1ichM=
+github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/jonboulle/clockwork v0.1.0 h1:VKV+ZcuP6l3yW9doeqz6ziZGgcynBVQO+obU0+0hcPo=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
 github.com/json-iterator/go v1.1.5 h1:gL2yXlmiIo4+t+y32d4WGwOjKGYcGOuyrg46vadswDE=