Merge pull request #286 from AquaticInformatics/dependabot/nuget/Samples/DotNetSdk/ObservationReportExporter/System.Net.Http-4.3.4

Bump System.Net.Http from 4.3.0 to 4.3.4 in /Samples/DotNetSdk/ObservationReportExporter

Author: Doug Schmidt

Samples/DotNetSdk/ObservationReportExporter/packages.config

@@ -38,7 +38,7 @@
   <package id="System.Linq" version="4.3.0" targetFramework="net472" />
   <package id="System.Linq.Expressions" version="4.3.0" targetFramework="net472" />
   <package id="System.Memory" version="4.5.4" targetFramework="net472" />
-  <package id="System.Net.Http" version="4.3.0" targetFramework="net472" />
+  <package id="System.Net.Http" version="4.3.4" targetFramework="net472" />
   <package id="System.Net.Primitives" version="4.3.0" targetFramework="net472" />
   <package id="System.Net.Sockets" version="4.3.0" targetFramework="net472" />
   <package id="System.Numerics.Vectors" version="4.5.0" targetFramework="net472" />