ci: refresh docs build dependencies (#2993)

Co-authored-by: Ansible Documentation Bot <147556122+ansible-documentation-bot[bot]@users.noreply.github.com>

Author: ansible-documentation-bot[bot]

tests/requirements.txt

@@ -93,7 +93,7 @@ jinja2==3.1.6
     #   sphinx
 markupsafe==3.0.2
     # via jinja2
-multidict==6.6.3
+multidict==6.6.4
     # via
     #   aiohttp
     #   yarl