Bump eta, docusaurus-plugin-openapi-docs and docusaurus-theme-openapi…

…-docs

Bumps [eta](https://github.com/eta-dev/eta) to 2.0.1 and updates ancestor dependencies [eta](https://github.com/eta-dev/eta), [docusaurus-plugin-openapi-docs](https://github.com/PaloAltoNetworks/docusaurus-openapi-docs/tree/HEAD/packages/docusaurus-plugin-openapi-docs) and [docusaurus-theme-openapi-docs](https://github.com/PaloAltoNetworks/docusaurus-openapi-docs/tree/HEAD/packages/docusaurus-theme-openapi-docs). These dependencies need to be updated together.


Updates `eta` from 1.14.2 to 2.0.1
- [Release notes](https://github.com/eta-dev/eta/releases)
- [Commits](eta-dev/eta@v1.14.2...v2.0.1)

Updates `docusaurus-plugin-openapi-docs` from 1.7.3 to 2.0.3
- [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/v2.0.3/packages/docusaurus-plugin-openapi-docs)

Updates `docusaurus-theme-openapi-docs` from 1.7.3 to 2.0.3
- [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/v2.0.3/packages/docusaurus-theme-openapi-docs)

---
updated-dependencies:
- dependency-name: eta
  dependency-type: indirect
- dependency-name: docusaurus-plugin-openapi-docs
  dependency-type: direct:production
- dependency-name: docusaurus-theme-openapi-docs
  dependency-type: direct:production
...

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