Bump setuptools from 75.1.0 to 78.1.1 in /docs

Bumps [setuptools](https://github.com/pypa/setuptools) from 75.1.0 to 78.1.1.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/main/NEWS.rst)
- [Commits](pypa/setuptools@v75.1.0...v78.1.1)

---
updated-dependencies:
- dependency-name: setuptools
  dependency-version: 78.1.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

docs/requirements.txt

@@ -6,7 +6,7 @@ sphinxcontrib-napoleon==0.7
 sphinx-math-dollar==1.2.1
 sphinxcontrib-bibtex==2.6.3
 sphinxcontrib-video==0.2.1
-setuptools==75.1.0 # Now required in python 3.12+
+setuptools==78.1.1 # Now required in python 3.12+
 myst-parser==2.0.0
 pyyaml==6.0.2
 pycodestyle==2.12.1