Update aws-sdk-go version to 1.25.29

go.mod

@@ -3,7 +3,7 @@ module sigs.k8s.io/aws-iam-authenticator
 go 1.12
 
 require (
-	github.com/aws/aws-sdk-go v1.23.11
+	github.com/aws/aws-sdk-go v1.25.29
 	github.com/gofrs/flock v0.7.0
 	github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6 // indirect
 	github.com/hashicorp/golang-lru v0.5.3 // indirect

go.sum

@@ -19,8 +19,8 @@ github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRF
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
-github.com/aws/aws-sdk-go v1.23.11 h1:fTq1xdeDdCwUfBA64QHk1b5HJfWauac36LvtWlk0pEw=
-github.com/aws/aws-sdk-go v1.23.11/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
+github.com/aws/aws-sdk-go v1.25.29 h1:XMAoVra1O2paI3ZgiougWydq6zGt6sLzWn4qb7oVbBY=
+github.com/aws/aws-sdk-go v1.25.29/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/beorn7/perks v1.0.0 h1:HWo1m869IqiPhD389kmkxeTalrjNbbJTC8LXupb+sl0=