chore(deps): upgrade dependency sphinx to v8.2.3 (#2931)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

requirements/docs.txt

@@ -1,4 +1,4 @@
-sphinx==8.0.2
+sphinx==8.2.3
 sphinxcontrib_trio==1.1.2
 sphinxcontrib-websupport==2.0.0
 myst-parser[linkify]==4.0.1