Bump nox from 2025.2.9 to 2025.5.1 in the minor group

Bumps the minor group with 1 update: [nox](https://github.com/wntrblm/nox).


Updates `nox` from 2025.2.9 to 2025.5.1
- [Release notes](https://github.com/wntrblm/nox/releases)
- [Changelog](https://github.com/wntrblm/nox/blob/main/CHANGELOG.md)
- [Commits](wntrblm/nox@2025.02.09...2025.05.01)

---
updated-dependencies:
- dependency-name: nox
  dependency-version: 2025.5.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -88,7 +88,7 @@ dev-mypy = [
   # For checking the noxfile, docs/ script, and tests
   "frequenz-client-electricity-trading[dev-mkdocs,dev-noxfile,dev-pytest]",
 ]
-dev-noxfile = ["nox == 2025.2.9", "frequenz-repo-config[lib] == 0.13.2"]
+dev-noxfile = ["nox == 2025.5.1", "frequenz-repo-config[lib] == 0.13.2"]
 dev-pylint = [
   "pylint == 3.3.6",
   # For checking the noxfile, docs/ script, and tests