bump version to 3.1.0

Author: Ivan Gavryliuk

src/Serilog.Sinks.ApplicationInsights/Serilog.Sinks.ApplicationInsights.csproj

@@ -20,7 +20,7 @@
     <GenerateAssemblyDescriptionAttribute>false</GenerateAssemblyDescriptionAttribute>
     <GenerateAssemblyCopyrightAttribute>false</GenerateAssemblyCopyrightAttribute>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    <Version>3.0.4</Version>
+    <Version>3.1.0</Version>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net45|AnyCPU'">