docs(textarea): updated textarea pattern regex

[iuliauta]

Description

Update the textarea pattern regex from Docs to accept any character (including line breaks) up to 1000 times.
More details here

Motivation and context

The textarea validation should not fail for newlines even if the max character limit is not excedeed.

Related issue(s)

• N/A

Screenshots (if appropriate)

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Author's checklist

• I have read the CONTRIBUTING and PULL_REQUESTS documents.
• I have reviewed at the Accessibility Practices for this feature, see: Aria Practices
• I have added automated tests to cover my changes.
• I have included a well-written changeset if my change needs to be published.
• I have included updated documentation if my change required it.

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Reviewer's checklist

• Includes a Github Issue with appropriate flag or Jira ticket number without a link
• Includes thoughtfully written changeset if changes suggested include patch, minor, or major features
• Automated tests cover all use cases and follow best practices for writing
• Validated on all supported browsers
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[changeset-bot]

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Latest commit: 8d20657

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[github-actions]

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Deployed to Azure Blob Storage: pr-5932

If the changes are expected, update the current_golden_images_cache hash in the circleci config to accept the new images. Instructions are included in that file.
If the changes are unexpected, you can investigate the cause of the differences and update the code accordingly.

[marissahuysentruyt]

Nice easy fix! I'm approving, but we might have to look into why we have failing tests. Unfortunately, I'm having problems viewing the CircleCI failures page right now, so I can't help troubleshoot that. 🤦‍♀️

Thanks for this fix!