Deps: Bump sphinx-basic-ng from 1.0.0b1 to 1.0.0b2

Bumps [sphinx-basic-ng](https://github.com/pradyunsg/sphinx-basic-ng) from 1.0.0b1 to 1.0.0b2.
- [Changelog](https://github.com/pradyunsg/sphinx-basic-ng/blob/main/docs/changelog.md)
- [Commits](pradyunsg/sphinx-basic-ng@1.0.0.beta1...1.0.0.beta2)

---
updated-dependencies:
- dependency-name: sphinx-basic-ng
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>