build(deps): bump github.com/Azure/azure-sdk-for-go (#3482)

Bumps [github.com/Azure/azure-sdk-for-go](https://github.com/Azure/azure-sdk-for-go) from 32.4.0+incompatible to 32.6.0+incompatible.
- [Release notes](https://github.com/Azure/azure-sdk-for-go/releases)
- [Changelog](https://github.com/Azure/azure-sdk-for-go/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Azure/azure-sdk-for-go/compare/v32.4.0...v32.6.0)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

go.mod

@@ -4,7 +4,7 @@ go 1.12
 
 require (
 	cloud.google.com/go v0.41.0 // indirect
-	github.com/Azure/azure-sdk-for-go v32.4.0+incompatible
+	github.com/Azure/azure-sdk-for-go v32.6.0+incompatible
 	github.com/Azure/go-autorest/autorest v0.9.2
 	github.com/Azure/go-autorest/autorest/azure/auth v0.4.0
 	github.com/DataDog/datadog-go v2.2.0+incompatible // indirect

go.sum

@@ -6,6 +6,8 @@ cloud.google.com/go v0.41.0/go.mod h1:OauMR7DV8fzvZIl2qg6rkaIhD/vmgk4iwEw/h6ercm
 contrib.go.opencensus.io/exporter/ocagent v0.4.12/go.mod h1:450APlNTSR6FrvC3CTRqYosuDstRB9un7SOx2k/9ckA=
 github.com/Azure/azure-sdk-for-go v32.4.0+incompatible h1:1JP8SKfroEakYiQU2ZyPDosh8w2Tg9UopKt88VyQPt4=
 github.com/Azure/azure-sdk-for-go v32.4.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
+github.com/Azure/azure-sdk-for-go v32.6.0+incompatible h1:PgaVceWF5idtJajyt1rzq1cep6eRPJ8+8hs4GnNzTo0=
+github.com/Azure/azure-sdk-for-go v32.6.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
 github.com/Azure/go-autorest v13.0.0+incompatible h1:56c11ykhsFSPNNQuS73Ri8h/ezqVhr2h6t9LJIEKVO0=
 github.com/Azure/go-autorest v13.0.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
 github.com/Azure/go-autorest/autorest v0.1.0/go.mod h1:AKyIcETwSUFxIcs/Wnq/C+kwCtlEYGUVd7FPNb2slmg=