Build: Fix prefer-reflect rule to not crash site gen build

[ilyavolodin]

What is the purpose of this pull request? (put an "X" next to item)

[x] Other, please explain:
Update rule metadata to stop it from crashing build.

What changes did you make? (Give an overview)
Update rule's metadata

Is there anything you'd like reviewers to focus on?
No

[mention-bot]

@ilyavolodin, thanks for your PR! By analyzing the history of the files in this pull request, we identified @vitorbal, @keithamus and @mysticatea to be potential reviewers.

[eslintbot]

LGTM

[jquerybot]

Thank you for your pull request. It looks like this may be your first contribution to a jQuery Foundation project, if so we need you to sign our Contributor License Agreement (CLA).

📝 Please visit http://contribute.jquery.org/CLA/ to sign.

After you signed, the PR is checked again automatically after a minute. If there's still an issue, please reply here to let us know.

---

If you've already signed our CLA, it's possible your git author information doesn't match your CLA signature (both your name and email have to match), for more information, check the status of your CLA check.

[kaicataldo]

LGTM

[platinumazure]

LGTM, hopefully we can make the code handle this more gracefully in the future.

[not-an-aardvark]

Added "patch candidate" so that we don't forget to merge this before the patch release.