chore(docs): bump requirements and build environment

[mr-cal]

• Have you followed the guidelines for contributing?
• Have you signed the CLA?
• Have you successfully run make lint?
• Have you successfully run pytest tests/unit?

---

• update to ubuntu-22.04 and python 3.10
• remove boilerplate comments
• bump docs/requirements.txt

[codecov-commenter]

Codecov Report

Merging #4351 (950c533) into main (dda7354) will not change coverage.
The diff coverage is n/a.

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@@           Coverage Diff           @@
##             main    #4351   +/-   ##
=======================================
  Coverage   89.19%   89.19%           
=======================================
  Files         300      300           
  Lines       20648    20648           
=======================================
  Hits        18418    18418           
  Misses       2230     2230           

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[mr-cal]

The docs are building (logs and docs) but it is not adding a link in the PR.

This works in craft-providers, so I wonder if it is due to snapcore settings.

[sergiusens]

@lengau do we have renovate running here?

[lengau]

@sergiusens we don't, but since we've got most of the kinks out I've made a PR that gets the starbase config: #4352