Bump axios, @docusaurus/core, @docusaurus/plugin-google-gtag and @docusaurus/preset-classic in /website (#84)

Bump axios, @docusaurus/core, @docusaurus/plugin-google-gtag and @docusaurus/preset-classic

Removes [axios](https://github.com/axios/axios). It's no longer used after updating ancestor dependencies [axios](https://github.com/axios/axios), [@docusaurus/core](https://github.com/facebook/docusaurus/tree/HEAD/packages/docusaurus), [@docusaurus/plugin-google-gtag](https://github.com/facebook/docusaurus/tree/HEAD/packages/docusaurus-plugin-google-gtag) and [@docusaurus/preset-classic](https://github.com/facebook/docusaurus/tree/HEAD/packages/docusaurus-preset-classic). These dependencies need to be updated together.


Removes `axios`

Updates `@docusaurus/core` from 2.2.0 to 3.9.2
- [Release notes](https://github.com/facebook/docusaurus/releases)
- [Changelog](https://github.com/facebook/docusaurus/blob/main/CHANGELOG-v2.md)
- [Commits](https://github.com/facebook/docusaurus/commits/v3.9.2/packages/docusaurus)

Updates `@docusaurus/plugin-google-gtag` from 2.2.0 to 3.9.2
- [Release notes](https://github.com/facebook/docusaurus/releases)
- [Changelog](https://github.com/facebook/docusaurus/blob/main/CHANGELOG-v2.md)
- [Commits](https://github.com/facebook/docusaurus/commits/v3.9.2/packages/docusaurus-plugin-google-gtag)

Updates `@docusaurus/preset-classic` from 2.2.0 to 3.9.2
- [Release notes](https://github.com/facebook/docusaurus/releases)
- [Changelog](https://github.com/facebook/docusaurus/blob/main/CHANGELOG-v2.md)
- [Commits](https://github.com/facebook/docusaurus/commits/v3.9.2/packages/docusaurus-preset-classic)

---
updated-dependencies:
- dependency-name: axios
  dependency-version: 
  dependency-type: indirect
- dependency-name: "@docusaurus/core"
  dependency-version: 3.9.2
  dependency-type: direct:production
- dependency-name: "@docusaurus/plugin-google-gtag"
  dependency-version: 3.9.2
  dependency-type: direct:production
- dependency-name: "@docusaurus/preset-classic"
  dependency-version: 3.9.2
  dependency-type: direct:production
...

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