Bump async from 2.6.3 to 2.6.4 in /frontend-friday-angular-mock-backend#6

dependabot[bot] wants to merge 1 commit intomasterdoubleSlashde/blog.doubleSlash.de:masterfrom

dependabot/npm_and_yarn/frontend-friday-angular-mock-backend/async-2.6.4doubleSlashde/blog.doubleSlash.de:dependabot/npm_and_yarn/frontend-friday-angular-mock-backend/async-2.6.4Copy head branch name to clipboard