update azure-functions version to 1.11.3b1 (#1032)

* update azure-functions version to 1.11.3b1

* change to double quote

Author: YunchuWang

setup.py

@@ -105,7 +105,7 @@
     "grpcio~=1.43.0",
     "grpcio-tools~=1.43.0",
     "protobuf~=3.19.3",
-    'azure-functions==1.11.2',
+    "azure-functions==1.11.3b1",
     "python-dateutil~=2.8.2"
 ]