PYTHON-2583 Bump minimum required PyMongoCrypt version to 1.1.0 (#577)

Author: prashantmital

doc/changelog.rst

@@ -7,6 +7,9 @@ Changes in Version 3.12.0
 .. warning:: Support for Python 2.7, 3.4 and 3.5 is deprecated. Those Python
     versions will not be supported by PyMongo 4.
 
+- PyMongoCrypt 1.1.0 or later is now required for client side field level
+  encryption support.
+
 Notable improvements
 ....................
 

setup.py

@@ -336,7 +336,7 @@ def build_extension(self, ext):
     pyopenssl_reqs.append("certifi")
 
 extras_require = {
-    'encryption': ['pymongocrypt<2.0.0'],
+    'encryption': ['pymongocrypt>=1.1.0,<2.0.0'],
     'ocsp': pyopenssl_reqs,
     'snappy': ['python-snappy'],
     'tls': [],