build(deps): bump sphinxcontrib-video from 0.4.1 to 0.4.2 in /requirements (#21497)

* build(deps): bump sphinxcontrib-video in /requirements

Bumps [sphinxcontrib-video](https://github.com/sphinx-contrib/video) from 0.4.1 to 0.4.2.
- [Release notes](https://github.com/sphinx-contrib/video/releases)
- [Commits](sphinx-contrib/video@v0.4.1...v0.4.2)

---
updated-dependencies:
- dependency-name: sphinxcontrib-video
  dependency-version: 0.4.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

---------

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

Author: dependabot[bot]

requirements/docs.txt

@@ -14,7 +14,7 @@ sphinx-copybutton >=0.3, <=0.5.2
 sphinx-multiproject
 sphinx-toolbox ==4.1.2
 sphinx-rtd-dark-mode
-sphinxcontrib-video ==0.4.1
+sphinxcontrib-video ==0.4.2
 jinja2 <3.2.0
 
 lightning-utilities >=0.11.1, <0.16.0