Merge pull request #25 from bcmi-labs/ci-latest-xcode

Build on latest Xcode to avoid sining issues

Author: kittaakos

azure-pipelines.yml

@@ -25,7 +25,7 @@ jobs:
         imageName: 'ubuntu-16.04'
         ExecutableSuffix: ''
       mac:
-        imageName: 'macos-10.14'
+        imageName: 'macOS-latest'
         ExecutableSuffix: ''
       windows:
         imageName: 'vs2017-win2016'