Bump prefix-dev/setup-pixi in the github-actions group (#73)

Bumps the github-actions group with 1 update: [prefix-dev/setup-pixi](https://github.com/prefix-dev/setup-pixi).


Updates `prefix-dev/setup-pixi` from 0.8.8 to 0.8.9
- [Release notes](https://github.com/prefix-dev/setup-pixi/releases)
- [Commits](prefix-dev/setup-pixi@19eac09...9735946)

---
updated-dependencies:
- dependency-name: prefix-dev/setup-pixi
  dependency-version: 0.8.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/test.yaml

@@ -18,7 +18,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Setup pixi
-        uses: prefix-dev/setup-pixi@19eac09b398e3d0c747adc7921926a6d802df4da  # v0.8.8
+        uses: prefix-dev/setup-pixi@97359467eae22a2d994114fe900db762fea86261  # v0.8.9
         with:
           cache: true