Update azure-pipelines.yml

Signed-off-by: Yang Pan <[email protected]>

Author: yangpanMS

.pipelines/azure-pipelines.yml

@@ -18,7 +18,7 @@ pool:
   vmImage: windows-latest
 
 variables:
-  VcVersion : 1.14.19
+  VcVersion : 1.14.20
   ROOT: $(Build.SourcesDirectory)
   CDP_DEFINITION_BUILD_COUNT: $[counter('', 0)] # needed for onebranch.pipeline.version task https://aka.ms/obpipelines/versioning
   ENABLE_PRS_DELAYSIGN: 1