Bump github.com/aws/aws-sdk-go from 1.25.5 to 1.25.8

Bumps [github.com/aws/aws-sdk-go](https://github.com/aws/aws-sdk-go) from 1.25.5 to 1.25.8.
- [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@v1.25.5...v1.25.8)

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

go.mod

@@ -3,7 +3,7 @@ module github.com/mvisonneau/mmds
 go 1.12
 
 require (
-	github.com/aws/aws-sdk-go v1.25.5
+	github.com/aws/aws-sdk-go v1.25.8
 	github.com/sirupsen/logrus v1.4.2
 	github.com/urfave/cli v1.22.1
 )

go.sum

@@ -21,6 +21,8 @@ github.com/aws/aws-sdk-go v1.23.17 h1:IGNAvtR7ckMEHhy+ObG9xw6DFqEE4Ual0LYXsVTZSL
 github.com/aws/aws-sdk-go v1.23.17/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-sdk-go v1.25.5 h1:WwVCIC3w30B9YSSIIIbH/H1M6VchY55ba1IFVDKS4D8=
 github.com/aws/aws-sdk-go v1.25.5/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
+github.com/aws/aws-sdk-go v1.25.8 h1:n7I+HUUXjun2CsX7JK+1hpRIkZrlKhd3nayeb+Xmavs=
+github.com/aws/aws-sdk-go v1.25.8/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=