title: VSTFS build error - SSL certificate problem: unable to get local issuer certificate
body: <p>I am new to CI. I have a build defined. I am getting the following error when i queue the build:</p>
  
  <pre><code>2018-10-08T09:54:50.0136696Z ##[command]git config --get-all http.https://testurl.extraheader
  2018-10-08T09:54:50.1425808Z ##[command]git config --get-all http.proxy
  2018-10-08T09:54:50.2763750Z ##[command]git -c http.extraheader="AUTHORIZATION: bearer ********" fetch --tags --prune --progress --no-recurse-submodules origin
  2018-10-08T09:54:51.1465256Z fatal: unable to access 'https://testdomain/tfs/Project/_git/Project.Test/': SSL certificate problem: unable to get local issuer certificate
  2018-10-08T09:54:51.1719172Z ##[error]Git fetch failed with exit code: 128
  </code></pre>