Bump github.com/aws/aws-sdk-go from 1.27.1 to 1.28.9

Bumps [github.com/aws/aws-sdk-go](https://github.com/aws/aws-sdk-go) from 1.27.1 to 1.28.9.
- [Release notes](https://github.com/aws/aws-sdk-go/releases)
- [Changelog](https://github.com/aws/aws-sdk-go/blob/master/CHANGELOG.md)
- [Commits](aws/aws-sdk-go@v1.27.1...v1.28.9)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

go.mod

@@ -5,7 +5,7 @@ go 1.13
 require (
 	github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 // indirect
 	github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 // indirect
-	github.com/aws/aws-sdk-go v1.27.1
+	github.com/aws/aws-sdk-go v1.28.9
 	github.com/containers/image/v5 v5.1.0
 	github.com/containers/storage v1.15.5 // indirect
 	github.com/docker/distribution v2.7.1+incompatible // indirect

go.sum

@@ -17,6 +17,8 @@ github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuy
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/aws/aws-sdk-go v1.27.1 h1:MXnqY6SlWySaZAqNnXThOvjRFdiiOuKtC6i7baFdNdU=
 github.com/aws/aws-sdk-go v1.27.1/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
+github.com/aws/aws-sdk-go v1.28.9 h1:grIuBQc+p3dTRXerh5+2OxSuWFi0iXuxbFdTSg0jaW0=
+github.com/aws/aws-sdk-go v1.28.9/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=