Sphinx-prompt[1] helps bring-in '.. prompt::' option that allows a
better rendered documentation, yet be able to copy paste without
picking up the prompt from rendered documentation.

[1] https://lore.kernel.org/all/87fs48rgto.fsf@baylibre.com/
Suggested-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

Upgrade certifi to the latest version, to remove e-Tugra from the root
store.

Link: https://groups.google.com/a/mozilla.org/g/dev-security-policy/c/C-HrP1SEq1A?pli=1
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

Update the following requirements to their latest version:

* Pygments - syntax highlighting
* pytz     - world timezone definitions
* certifi  - Mozilla's CA bundle

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

Per GitHub Dependabot:
- Use setuptools 65.5.1 to avoid some DoS issue
- Use requests 2.31.0 to avoid leaking some proxy information

Signed-off-by: Tom Rini <trini@konsulko.com>
Tested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

Upgrade to version 2022.12.7.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

Pin all dependencies as reported by 'pip freeze'.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

Fix an error:
  This project needs at least Sphinx v2.4.4.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

For enums documented according to the requirements in chapter
"Structure, union, and enumeration documentation" of
https://www.kernel.org/doc/html/latest/doc-guide/kernel-doc.html
errors occur with Sphinx 2.4.4 which disappear with Sphinx 3.4.3,
e.g.
/builds/u-boot/custodians/u-boot-efi/doc/api/sysreset:6:
./include/sysreset.h:60:Unknown interpreted text role "enum".

Sphinx 3.4.3 is the version used by Debian in the current release.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

Require Sphinx 2.44 to build the documentation.
Remove all code related to earlier versions.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

In newer docutils writers/latex2e/docutils.sty has a unicode character
in the comments which can in turn cause Python 3.6 at least to fail.
Pin to the previous docutils release for now.

Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>