Bump sphinx from 7.4.7 to 8.0.2 (#1888)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/docs.txt

@@ -2,5 +2,5 @@
 
 python-dateutil==2.9.0.post0
 sphinx_rtd_theme==2.0.0
-sphinx==7.4.7
+sphinx==8.0.2
 zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability