Bump github.com/aws/aws-sdk-go from 1.36.19 to 1.36.28

Bumps [github.com/aws/aws-sdk-go](https://github.com/aws/aws-sdk-go) from 1.36.19 to 1.36.28.
- [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@v1.36.19...v1.36.28)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

go.mod

@@ -3,7 +3,7 @@ module github.com/coveooss/credentials-sync
 go 1.12
 
 require (
-	github.com/aws/aws-sdk-go v1.36.19
+	github.com/aws/aws-sdk-go v1.36.28
 	github.com/bndr/gojenkins v1.0.1
 	github.com/golang/mock v1.4.4
 	github.com/hashicorp/go-multierror v1.1.0

go.sum

@@ -26,6 +26,7 @@ github.com/aws/aws-sdk-go v1.34.22/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZve
 github.com/aws/aws-sdk-go v1.35.2 h1:qK+noh6b9KW+5CP1NmmWsQCUbnzucSGrjHEs69MEl6A=
 github.com/aws/aws-sdk-go v1.35.2/go.mod h1:H7NKnBqNVzoTJpGfLrQkkD+ytBA93eiDYi/+8rV9s48=
 github.com/aws/aws-sdk-go v1.36.19/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
+github.com/aws/aws-sdk-go v1.36.28/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
 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/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=