build(deps): bump sphinxcontrib-serializinghtml in /docs (#3139)

Bumps [sphinxcontrib-serializinghtml](https://github.com/sphinx-doc/sphinxcontrib-serializinghtml) from 1.1.9 to 1.1.10.
- [Release notes](https://github.com/sphinx-doc/sphinxcontrib-serializinghtml/releases)
- [Changelog](https://github.com/sphinx-doc/sphinxcontrib-serializinghtml/blob/master/CHANGES)
- [Commits](sphinx-doc/sphinxcontrib-serializinghtml@1.1.9...1.1.10)

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

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

docs/requirements.txt

@@ -23,6 +23,6 @@ sphinxcontrib-devhelp==1.0.6
 sphinxcontrib-htmlhelp==2.0.5
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.6
-sphinxcontrib-serializinghtml==1.1.9
+sphinxcontrib-serializinghtml==1.1.10
 sphinxext-rediraffe==0.2.7
 urllib3==2.1.0