Adopt MSAL Python 1.x.x

Author: rayluo

setup.py

@@ -17,7 +17,7 @@
     ],
     package_data={'': ['LICENSE']},
     install_requires=[
-        'msal>=0.4.1,<1.0.0',
+        'msal>=0.4.1,<2.0.0',
         'portalocker~=1.0',
     ],
     tests_require=['pytest'],