chore(deps): bump the actions group across 1 directory with 2 updates

Bumps the actions group with 2 updates in the / directory: [actions/download-artifact](https://github.com/actions/download-artifact) and [wntrblm/nox](https://github.com/wntrblm/nox).


Updates `actions/download-artifact` from 5 to 6
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v5...v6)

Updates `wntrblm/nox` from 2025.05.01 to 2025.10.16
- [Release notes](https://github.com/wntrblm/nox/releases)
- [Changelog](https://github.com/wntrblm/nox/blob/main/CHANGELOG.md)
- [Commits](wntrblm/nox@2025.05.01...2025.10.16)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: wntrblm/nox
  dependency-version: 2025.10.16
  dependency-type: direct:production
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/cd.yml

@@ -34,7 +34,7 @@ jobs:
       attestations: write
 
     steps:
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v6
         with:
           name: Packages
           path: dist

.github/workflows/ci.yml

@@ -345,7 +345,7 @@ jobs:
 
       - uses: astral-sh/setup-uv@v7
 
-      - uses: wntrblm/nox@2025.05.01
+      - uses: wntrblm/nox@2025.10.16
         with:
           python-versions: "3.12"
 

.github/workflows/nightlies.yml

@@ -29,7 +29,7 @@ jobs:
     needs: [build_wheel]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v6
         with:
           name: Packages
           path: dist