Update azure to test pull request fuzzing

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>

go.mod

@@ -3,7 +3,7 @@ module github.com/prometheus/prometheus
 go 1.14
 
 require (
-	github.com/Azure/azure-sdk-for-go v51.1.0+incompatible
+	github.com/Azure/azure-sdk-for-go v51.2.0+incompatible
 	github.com/Azure/go-autorest/autorest v0.11.18
 	github.com/Azure/go-autorest/autorest/adal v0.9.13
 	github.com/Azure/go-autorest/autorest/to v0.4.0 // indirect

go.sum

@@ -37,8 +37,8 @@ cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RX
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 collectd.org v0.3.0/go.mod h1:A/8DzQBkF6abtvrT2j/AU/4tiBgJWYyh0y/oB/4MlWE=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/Azure/azure-sdk-for-go v51.1.0+incompatible h1:7uk6GWtUqKg6weLv2dbKnzwb0ml1Qn70AdtRccZ543w=
-github.com/Azure/azure-sdk-for-go v51.1.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
+github.com/Azure/azure-sdk-for-go v51.2.0+incompatible h1:qQNk//OOHK0GZcgMMgdJ4tZuuh0zcOeUkpTxjvKFpSQ=
+github.com/Azure/azure-sdk-for-go v51.2.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
 github.com/Azure/go-autorest v14.2.0+incompatible h1:V5VMDjClD3GiElqLWO7mz2MxNAK/vTfRHdAubSIPRgs=