[ci]: download from sonic-buildimage.vs artifact

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

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

Author: lguohan

azure-pipelines.yml

@@ -59,7 +59,7 @@ jobs:
           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"