Bump setuptools from 69.5.1 to 78.1.1 in /docker

Bumps [setuptools](https://github.com/pypa/setuptools) from 69.5.1 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@v69.5.1...v78.1.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

docker/requirements-stable.txt

@@ -75,5 +75,5 @@ tzdata==2025.2
 
 # Build Tools (for reproducible builds)
 pip==24.0
-setuptools==69.5.1
+setuptools==78.1.1
 wheel==0.43.0