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This is for the main branch.
The version of Sphinx we were using is simply not compatible with Jinja2 > v3.0.3, so given that we had to upset the delicate balance of requirements anyway, the goal of this PR is now to bring all docs infrastructure for CI/CD as well as dependencies and indeed the docs themselves to the latest version.
Type of change
Description
Motivation is https://nvd.nist.gov/vuln/detail/CVE-2024-22195, quite simply. But the version of Sphinx that we were using was many years old and does not support a version of Jinja higher than v3.0.3. So we need to update the entire set of dependencies for the documentation.
Additional details
I will make whatever changes are needed to the docs and/or to the CI/CD pipeline to make this compatible with Sphinx v7.2.6, which is the latest. Please let me know if something isn't right or needs fixing, because this is the time to do it.
Related issues
Release Note
This change does NOT impact users of Fabric, nor shall it impact the functionality of any release, past, future, present. We are also unlikely to merge it until the docs look correct on RTD. But be advised that they may indeed change.