Release `v5.16.1`

[github-actions[bot]]

Description

This PR is ready to be merged. The merge event will trigger[^1] the:

1. creation of a v5.16.1 tag on main branch
2. build if project based on Poetry, then release to PyPi
3. publication of a GitHub release

[^1]: as defined by release.yaml.

How-to release v5.16.1

1. click Re-run all jobs from the workflow run, to refresh the release date to today
2. wait for the re-run to complete and check the result in diff view
3. click Ready for review button below, to get this PR out of Draft mode
4. click Rebase and merge button below (‼️ do not ~Squash and merge~: the auto-tagging job needs the 2 distinct commits in this PR)

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Workflow metadata

Auto-generated on run #9234218694 by prepare-release job from changelog.yaml workflow.