website: Bump docusaurus-theme-openapi-docs in /website

Bumps [docusaurus-theme-openapi-docs](https://github.com/PaloAltoNetworks/docusaurus-openapi-docs/tree/HEAD/packages/docusaurus-theme-openapi-docs) from 4.3.4 to 4.3.7.
- [Release notes](https://github.com/PaloAltoNetworks/docusaurus-openapi-docs/releases)
- [Changelog](https://github.com/PaloAltoNetworks/docusaurus-openapi-docs/blob/main/CHANGELOG.md)
- [Commits](https://github.com/PaloAltoNetworks/docusaurus-openapi-docs/commits/v4.3.7/packages/docusaurus-theme-openapi-docs)

---
updated-dependencies:
- dependency-name: docusaurus-theme-openapi-docs
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]