Merge pull request #37 from andijakl/dependabot/nuget/Samples/Univers…

…alBeacon.Sample/UniversalBeacon.Sample.iOS/System.Net.Http-4.3.4

Bump System.Net.Http from 4.3.3 to 4.3.4 in /Samples/UniversalBeacon.Sample/UniversalBeacon.Sample.iOS

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