Update nuget references

#48

Author: Caldas

src/SampleWebAPI/SampleWebAPI.csproj

@@ -12,7 +12,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.0" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.5" />
   </ItemGroup>
 
   <ItemGroup>

src/SplunkLogger/SplunkLogger.csproj

@@ -27,7 +27,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Logging" Version="2.0.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
-    <PackageReference Include="NuGet.Build.Packaging" Version="0.2.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="11.0.1" />
+    <PackageReference Include="NuGet.Build.Packaging" Version="0.2.2" />
   </ItemGroup>
 </Project>