reno 2.11.0

includes a fix for dependencies (raising the minimum version of sphinx
deemed compatible) and a unicode fix

Change-Id: I96ca36d0bdf6099f7fca5f660838a8091c2f0965
Signed-off-by: Doug Hellmann <doug@doughellmann.com>

deliverables/_independent/reno.yaml

@@ -167,5 +167,9 @@ releases:
       - hash: 9b1c353bd05459a54293e06b3b4f5f0bb04e9ff8
         repo: openstack/reno
     version: 2.10.0
+  - projects:
+      - hash: 355e1674be8c37e67f59e8bcd39bf7d6a0aac792
+        repo: openstack/reno
+    version: 2.11.0
 repository-settings:
   openstack/reno: {}