upgrade Exceptionless to 4.4.1 (#9)

* exceptionless/Exceptionless.Net#233

Co-authored-by: Brook <[email protected]>

Author: yuefengkai

src/Serilog.Sinks.Exceptionless/Serilog.Sinks.Exceptionless.csproj

@@ -34,7 +34,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Exceptionless" Version="4.4.0" />
+    <PackageReference Include="Exceptionless" Version="4.4.1" />
     <PackageReference Include="Serilog" Version="2.9.0" />
   </ItemGroup>