[Snyk] Security upgrade postcss from 5.2.18 to 8.0.0#7

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masterDPr00f/electron-music-player-tutorial:masterfrom

snyk-fix-a80196c5fb1e9203b595b6188fdbd2beDPr00f/electron-music-player-tutorial:snyk-fix-a80196c5fb1e9203b595b6188fdbd2beCopy head branch name to clipboard