Checkout submodule from checkout task.

Author: peombwa

.azure-pipelines/common-templates/checkout.yml

@@ -10,6 +10,7 @@ steps:
   - checkout: self
     clean: true
     fetchDepth: 1
+    submodules: true
     persistCredentials: true
 
   - task: PowerShell@2
@@ -32,13 +33,6 @@ steps:
         git pull
         git status
 
-  - task: Bash@3
-    displayName: "Update Git Submodules"
-    inputs:
-      targetType: inline
-      script: |
-        git pull --recurse-submodules
-        git submodule update --init --recursive --remote
 
   - task: securedevelopmentteam.vss-secure-development-tools.build-task-credscan.CredScan@2
     displayName: "Run CredScan"