PAN-2722 Update version number due to breaking change for renamed method

Author: DavidHogue

src/Learning.EventStore/Learning.EventStore.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <AssemblyTitle>Learning.EventStore</AssemblyTitle>
-    <VersionPrefix>11.3.0</VersionPrefix>
+    <VersionPrefix>12.0.0</VersionPrefix>
     <TargetFrameworks>netstandard2.0</TargetFrameworks>
     <AssemblyName>Learning.EventStore</AssemblyName>
     <PackageId>Learning.EventStore</PackageId>