[ci]: download from sonic-buildimage.vs artifact (#1428)

sonic-net/sonic-buildimage#6768 change
the kvm artifact name from kvm to vs

Signed-off-by: Guohan Lu <[email protected]>

Author: malletvapid23

azure-pipelines.yml

@@ -19,7 +19,7 @@ steps:
     source: specific
     project: build
     pipeline: 1
-    artifact: sonic-buildimage.kvm
+    artifact: sonic-buildimage.vs
     runVersion: 'latestFromBranch'
     runBranch: 'refs/heads/master'
   displayName: "Download artifacts from latest sonic-buildimage build"