Release Google.Api.CommonProtos version 2.11.0

Changes since 2.10.0:

- FieldInfo message and field extension for more nuanced field metadata
- New policy-related messages (and reference in Control)
- New field behavior of IDENTIFIER

Google.Api.CommonProtos/Google.Api.CommonProtos.csproj

@@ -3,7 +3,7 @@
   <Import Project="..\CommonProperties.xml" />
 
   <PropertyGroup>
-    <Version>2.10.0</Version>
+    <Version>2.11.0</Version>
     <TargetFrameworks>netstandard2.0;net461</TargetFrameworks>
   </PropertyGroup>