Bump async from 2.6.3 to 2.6.4 in /SpotifyAPI.Docs#64

dependabot[bot] wants to merge 1 commit intomasterallwill90/SpotifyAPI-NET:masterfrom

dependabot/npm_and_yarn/SpotifyAPI.Docs/async-2.6.4allwill90/SpotifyAPI-NET:dependabot/npm_and_yarn/SpotifyAPI.Docs/async-2.6.4Copy head branch name to clipboard