chore(deps): Bump the actions group across 1 directory with 2 updates (#85)

Bumps the actions group with 2 updates in the / directory: [prefix-dev/setup-pixi](https://github.com/prefix-dev/setup-pixi) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `prefix-dev/setup-pixi` from 0.8.10 to 0.8.14
- [Release notes](https://github.com/prefix-dev/setup-pixi/releases)
- [Commits](prefix-dev/setup-pixi@v0.8.10...v0.8.14)

Updates `actions/download-artifact` from 4 to 5
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: prefix-dev/setup-pixi
  dependency-version: 0.8.14
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
- dependency-name: actions/download-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/cd.yml

@@ -21,7 +21,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: prefix-dev/setup-pixi@v0.8.10
+      - uses: prefix-dev/setup-pixi@v0.8.14
         with:
           pixi-version: v0.28.2
 
@@ -73,17 +73,17 @@ jobs:
       - name: Setup Pages
         uses: actions/configure-pages@v5
 
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: jupyterbook
           path: public
 
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: jupyterlite
           path: public/live
 
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: slides
           path: public/slides