feat(builder): add --metafile flag

[jkowalleck]

What's the problem this PR addresses?

resolves #6211

...

How did you fix it?

• added a boolean CLI switch to builder build {bundle,plugin} called --metafile, defaults to false
• if CLI switch
  • is false, then the esbuild in instructed to NOT emit metafile
  • is true, then ...
    • the esbuild in instructed to emit metafile
    • the metafile data is written to target file bundles/${name}.meta.json
    • the target file is announced in the summary
      example ourput:

      $ builder build plugin --metafile 
      ➤ YN0000: ┌ Building @yarnpkg/plugin-cyclonedx
      ➤ YN0000: └ Completed in 8s 619ms
      
      ➤ YN0000: ✓ Done building @yarnpkg/plugin-cyclonedx!
      ➤ YN0000: ? Bundle path: /.../cyclonedx-node-yarn/bundles/@yarnpkg/plugin-cyclonedx.js
      ➤ YN0000: ? Bundle size: 771.52 KiB
      ➤ YN0000: ? Bundle meta: /.../cyclonedx-node-yarn/bundles/@yarnpkg/plugin-cyclonedx.meta.json

...

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.

[merceyz]

Would you be willing to add it to the bundle command as well?

[jkowalleck]

Would you be willing to add it to the bundle command as well?

sure. will push the needed changes in a minute

PS: done via 2d6d40a62c8869f0df93999be0c23e8fae50923f

[jkowalleck]

[x] I will check that all automated PR checks pass before the PR gets reviewed.

some tests are failing and i do not understand why.
please instruct me on how to fix them.

[merceyz]

I've fixed the versions file it was complaining about, the Windows CI has been broken for a while and we haven't gotten around to fixing it yet so you can ignore that.

[merceyz]

LGTM, thanks!