Merge pull request #147 from serilog/dependabot/nuget/src/Serilog.Sinks.UDP/System.Net.Http-4.3.4

Bump System.Net.Http from 4.3.0 to 4.3.4 in /src/Serilog.Sinks.UDP

Author: merbla

src/Serilog.Sinks.UDP/Serilog.Sinks.Splunk.UDP.csproj

@@ -31,7 +31,7 @@
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
-    <PackageReference Include="System.Net.Http" Version="4.3.0" />
+    <PackageReference Include="System.Net.Http" Version="4.3.4" />
   </ItemGroup>
 
   <ItemGroup>