Bump System.Device.Gpio from 2.1.0 to 2.2.0 in /samples/led-more-blinking-lights#14

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dependabot/nuget/samples/led-more-blinking-lights/System.Device.Gpio-2.2.0Kash0321/iot:dependabot/nuget/samples/led-more-blinking-lights/System.Device.Gpio-2.2.0Copy head branch name to clipboard