fix(builder): create output directory before building

[merceyz]

What's the problem this PR addresses?

On Windows esbuild doesn't create the output directory recursively

cc @evanw

How did you fix it?

Create the directory before running the build

Checklist

• I have read the Contributing Guide.
• I have set the packages that need to be released for my changes to be effective.
• I will check that all automated PR checks pass before the PR gets reviewed.