Bump minor version - new APIs

Author: nblumhardt

src/Serilog.Extensions.Logging/Serilog.Extensions.Logging.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Description>Serilog provider for Microsoft.Extensions.Logging</Description>
-    <VersionPrefix>2.0.0</VersionPrefix>
+    <VersionPrefix>2.1.0</VersionPrefix>
     <Authors>Microsoft;Serilog Contributors</Authors>
     <TargetFrameworks>net45;net46;net461;netstandard1.3;netstandard2.0</TargetFrameworks>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>