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

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/preset-classic](https://github.com/facebook/docusaurus/tree/HEAD/packages/docusaurus-preset-classic) and [docusaurus-plugin-sass](https://github.com/rlamana/docusaurus-plugin-sass). These dependencies need to be updated together.


Removes `axios`

Updates `@docusaurus/core` from 2.1.0 to 3.7.0
- [Release notes](https://github.com/facebook/docusaurus/releases)
- [Changelog](https://github.com/facebook/docusaurus/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/docusaurus/commits/v3.7.0/packages/docusaurus)

Updates `@docusaurus/preset-classic` from 2.1.0 to 3.7.0
- [Release notes](https://github.com/facebook/docusaurus/releases)
- [Changelog](https://github.com/facebook/docusaurus/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/docusaurus/commits/v3.7.0/packages/docusaurus-preset-classic)

Updates `docusaurus-plugin-sass` from 0.2.2 to 0.2.6
- [Release notes](https://github.com/rlamana/docusaurus-plugin-sass/releases)
- [Commits](rlamana/docusaurus-plugin-sass@v0.2.2...v0.2.6)

---
updated-dependencies:
- dependency-name: axios
  dependency-version: 
  dependency-type: indirect
- dependency-name: "@docusaurus/core"
  dependency-version: 3.7.0
  dependency-type: direct:development
- dependency-name: "@docusaurus/preset-classic"
  dependency-version: 3.7.0
  dependency-type: direct:development
- dependency-name: docusaurus-plugin-sass
  dependency-version: 0.2.6
  dependency-type: direct:development
...

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

Author: dependabot[bot]