Pip dependencies error while running Zephyr Emulator tutorial

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I am trying to run the Zephyr emulator tutorial in a VS code's dev container using a ros:humble image.

#### Steps to reproduce the issue

I cloned the Micro-ROS setup repo and launched the dev container which is running rosdep and building the initial workspace.

#### Expected behavior

Create step is effectively creating the firmware folder.

#### Actual behavior

The create step yields the following error (when running `pip install --force-reinstall Sphinx==4.2.0` ):

ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
sphinx-tabs 3.2.0 requires docutils~=0.16.0, but you have docutils 0.17.1 which is incompatible.
sphinx-rtd-theme 0.5.2 requires docutils<0.17, but you have docutils 0.17.1 which is incompatible.

#### Additional information

It looks like the conflicts are coming from `firmware/zephyrproject/zephyr/scripts/requirements-doc.txt` where specified sphinx version is 3.*

Start with firmware/zephyrproject/zephyr/scripts/requirements-doc.txt and reproduce the tutorial's create step in the ROS Humble dev container. Trace the pinned Sphinx and related package requirements, then verify that the create step completes without the reported pip dependency conflicts.

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