bump cython dependency to 0.28

Author: aboudreault

CHANGELOG.rst

@@ -15,6 +15,7 @@ Other
 -----
 * Use global variable for libev loops so it can be subclassed (PYTHON-973)
 * Update SchemaParser for V4 (PYTHON-1006)
+* Bump Cython dependency version to 0.28 (PYTHON-1012)
 
 3.14.0
 ======

setup.py

@@ -395,7 +395,7 @@ def run_setup(extensions):
         # 1.) build_ext eats errors at compile time, letting the install complete while producing useful feedback
         # 2.) there could be a case where the python environment has cython installed but the system doesn't have build tools
         if pre_build_check():
-            cython_dep = 'Cython>=0.20,!=0.25,<0.28'
+            cython_dep = 'Cython>=0.20,!=0.25,<0.29'
             user_specified_cython_version = os.environ.get('CASS_DRIVER_ALLOWED_CYTHON_VERSION')
             if user_specified_cython_version is not None:
                 cython_dep = 'Cython==%s' % (user_specified_cython_version,)

test-requirements.txt

@@ -11,6 +11,6 @@ pure-sasl
 twisted[tls]
 gevent>=1.0
 eventlet
-cython>=0.20,<0.28
+cython>=0.20,<0.29
 packaging
 asynctest; python_version > '3.4'