Release neutron-lib 2.16.0

Included commits:
2ebb6d4 Rehome ``QuotaDriverAPI`` class
e686f3d Add default values in port forwarding port ranges definitions
c266a3e Bump requirements and disable f-string check
ecb6313 Remove deprecated method registry.notify
06a685d Add Python3 yoga unit tests
0867e90 Update master for stable/xena
14df805 Add API shim extension "quota-check-limit"
cb2dd61 Set "cache_ok=True" in all "TypeDecorator" derived classes
64e4dc2 Improve "get_collection_count" method
670f83b Fix some api-ref typos
5e9ced2 Add Local IP constants and exceptions
07e3de1 Add Local IP API def

Change-Id: Ic143ddb7148617e660ca5711dd31f99dfdf0be6b

deliverables/yoga/neutron-lib.yaml

@@ -6,3 +6,8 @@ team: neutron
 type: library
 repository-settings:
   openstack/neutron-lib: {}
+releases:
+  - version: 2.16.0
+    projects:
+      - repo: openstack/neutron-lib
+        hash: 2ebb6d4d5c4d470f99b58fa3ae96156e3c993c42