ci: bump nox from 2024.10.9 to 2025.10.16 in /.github/workflows

Bumps [nox](https://github.com/wntrblm/nox) from 2024.10.9 to 2025.10.16.
- [Release notes](https://github.com/wntrblm/nox/releases)
- [Changelog](https://github.com/wntrblm/nox/blob/main/CHANGELOG.md)
- [Commits](https://github.com/wntrblm/nox/compare/2024.10.09...2025.10.16)

---
updated-dependencies:
- dependency-name: nox
  dependency-version: 2025.10.16
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/constraints.txt

@@ -1,5 +1,5 @@
 pip==24.2
-nox==2024.10.9
+nox==2025.10.16
 nox-poetry==1.0.3
 poetry==1.8.4
 virtualenv==20.27.1