python3-sphinx-rtd-theme: upgrade 1.1.1 -> 1.2.0

python3-sphinx-rtd-theme: upgrade 1.1.1 -> 1.2.0

Changelog:
==========
 docutils 0.18 is supported. (#1381)
 Sphinx 6 support added
 Added sphinxcontrib-jquery as a dependency (#1385 #1421)
 Python 3.11 is officially supported and tested. (#1395)
 Python 3.4 and 3.5 are officially not supported (#1395)
 Automatically use sphinxcontrib-jquery in Sphinx 6+ (#1399)
 Use new context vars logo_url, favicon_url and root_doc when available (#1405)
 Translations updated: French, Hungarian, Croatian
 Translations added: Danish, Chinese (Taiwan)

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>