- upgrades credscan tool to suppress warning

Author: baywet

.azure-pipelines/templates/build/checkout-and-credscan.yml

@@ -6,4 +6,5 @@ steps:
 - task: securedevelopmentteam.vss-secure-development-tools.build-task-credscan.CredScan@2
   displayName: 'Run CredScan'
   inputs:
-    debugMode: false
+    debugMode: false
+    toolMajorVersion: V2