Bumps nanoFramework.CoreLibrary from 1.10.3-preview.7 to 1.10.3-preview.20#1

nfbot merged 1 commit intodevelopnanoframework/System.Device.Spi:developfrom

develop-nfbot/update-dependencies/844a8405-2212-41c4-8aa0-11129f63a57ananoframework/System.Device.Spi:develop-nfbot/update-dependencies/844a8405-2212-41c4-8aa0-11129f63a57aCopy head branch name to clipboard