Sync nanoFramework.System.Net dependency to 1.11.50 across all projects#486

CoryCharlton wants to merge 1 commit intonanoframework:mainnanoframework/System.Net.Http:mainfrom

CoryCharlton:fix/sync-system-net-dependency-versionsCoryCharlton/nanoFramework.System.Net.Http:fix/sync-system-net-dependency-versionsCopy head branch name to clipboard