chore(fast-html): use @microsoft/fast-build to build dot-syntax fixture#7386

janechu merged 2 commits intomainmicrosoft/fast:mainfrom

users/janechu/update-fixture-to-use-fast-build-dot-syntaxmicrosoft/fast:users/janechu/update-fixture-to-use-fast-build-dot-syntaxCopy head branch name to clipboard