docs: inclusive language w/ allowlist

[AndersDJohnson]

Hello! Love this plugin! Just noticed an opportunity to make the language a bit more inclusive in the docs for the rule forbid-component-props by switching to the term "allowlist", as other projects have been doing lately. Up to the maintainers though! Thanks.

Side note: Have we considered opting this repository into Hacktoberfest? Simply adding the hacktoberfest topic to the repo will allow contributors to get credit for their changes! https://hacktoberfest.com/participation/ Thanks again!

[codecov]

Codecov Report

Merging #3473 (b2ef5e9) into master (88cbcde) will not change coverage.
The diff coverage is n/a.

❗ Current head b2ef5e9 differs from pull request most recent head 64f9266. Consider uploading reports for the commit 64f9266 to get more accurate results

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  Files         129      129           
  Lines        9192     9192           
  Branches     3331     3331           
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  Hits         8969     8969           
  Misses        223      223           

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[ljharb]

Thanks; this is more consistent with allowedFor anyways.

[ljharb]

Regarding hacktoberfest, adding the topic attracts way too much spam, so I add the "hacktoberfest-accepted" label to PRs manually so contributors can get credit.