Use 202012 branch for sonic-mgmt (#10851)

saiarcot895 · web-flow · commit ee84ba81ed1e · 2022-05-17T14:59:31.000-07:00
Signed-off-by: Saikrishna Arcot &lt;sarcot@microsoft.com&gt;
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
@@ -29,6 +29,7 @@ resources:
     type: github
     name: Azure/sonic-mgmt
     endpoint: build
+    ref: refs/heads/202012
 
 stages:
 - stage: BuildVS
