chore: upgrade docusaurus-openapi-docs modules to v4.7.1

[benradstone]

✅ Pull Request Checklist

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Checklist

• The PR description in the Describe the Change section explains what changed and
  provides any additional context.
• A Jira ticket is provided in the Jira Tickets section AND in the PR title. If this PR has
  no corresponding Jira ticket, then please indicate so in this section.
• Preview links are for all affected pages are provided in the Changed Pages. If this PR
  makes no user-facing changes, please indicate so in this section.
• Conduct a self-review for your pages using your preview links. Verify grammar, clarity, and accuracy.
• Check formatting for your pages
  • Verify indentations, admonitions, and tables (if applicable).
  • Verify all images display.
• Ensure all Vale comments are resolved.
  • If required, raise a PR to modify the
    Vale accept list.
    This can be done later, but leave a note if required.
• All CI jobs have completed successfully.
• Add Backport labels if the change should be reflected in previous versions. If required, remember to add the
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Good job! 👏👏👏

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📝 Describe the Change

This PR updates the docusaurus-plugin-openapi-docs and docusaurus-theme-openapi-docs modules to the latest v4.7.1 release, which apparently includes build performance improvements.

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💻 Changed Pages

No public changes.

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🎫 Jira Tickets

No related Jira.

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[github-actions]

📋 Visual Report for branch upgrade-docusaurus-openapi-v4-7-1 with CI run 21406818399 and attempt 1 is ready at
https://spectrocloud.github.io/librarium/reports/upgrade-docusaurus-openapi-v4-7-1/21406818399/1

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[github-actions]

✅ Slack reviewers notified at 2026-01-28T11:12:00Z \n

[vault-token-factory-spectrocloud]

💚 All backports created successfully

Status	Branch	Result
✅	version-4-2
✅	version-4-3
✅	version-4-4
✅	version-4-5
✅	version-4-6
✅	version-4-7
✅	version-4-8

Note: Successful backport PRs will be merged automatically after passing CI.

Questions ?

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