Work CI-CD

- Checkout task doesn't persist credentials anymore.

***NO_CI***

azure-pipelines.yml

@@ -101,7 +101,6 @@ jobs:
 
   # need this here in order to persist GitHub credentials, do a shallow fetch AND init submodules
   - checkout: self
-    persistCredentials: true
 
   - script: |
       git config --global user.email "nanoframework@outlook.com"