Currently sphinx-rtd-theme is incorrectly being included in the main
group dependencies and hence pulls in itself and sphinx as a runtime dep
for the client. Declaring it in the docs group ensures it is only
installed if the `sdcclient[docs]` is installed.

Signed-off-by: Dominic Evans <dominic.evans@uk.ibm.com>

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Introduce functions for executing PromQL instant and range queries towards the Monitor Promehteus endpoints.

* Add get_series endpoint

* Add get_labels endpoint

* Add get_label_values function.

* Add get_metadata function.

* In all functions expect both token and host to be passed as arguments.

* poetry lock

* Apply linting comments