build(deps): bump prefix-dev/setup-pixi in the github-actions group

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 0.9.3 to 0.9.4
- [Release notes](https://github.com/prefix-dev/setup-pixi/releases)
- [Commits](prefix-dev/setup-pixi@v0.9.3...v0.9.4)

---
updated-dependencies:
- dependency-name: prefix-dev/setup-pixi
  dependency-version: 0.9.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/release.yaml

@@ -63,7 +63,7 @@ jobs:
         token: ${{ steps.generate-token.outputs.token }}
 
     - name: Setup Pixi
-      uses: prefix-dev/setup-pixi@v0.9.3
+      uses: prefix-dev/setup-pixi@v0.9.4
       with:
         pixi-version: v0.59.0
         cache: true

.github/workflows/test.yaml

@@ -64,7 +64,7 @@ jobs:
 
     - name: Setup Pixi
       if: steps.filter.outputs.src == 'true' || github.event_name == 'schedule'
-      uses: prefix-dev/setup-pixi@v0.9.3
+      uses: prefix-dev/setup-pixi@v0.9.4
       with:
         pixi-version: v0.59.0
         cache: true

.github/workflows/update-lockfile.yaml

@@ -19,7 +19,7 @@ jobs:
     - uses: actions/checkout@v6
 
     - name: Setup Pixi
-      uses: prefix-dev/setup-pixi@v0.9.3
+      uses: prefix-dev/setup-pixi@v0.9.4
       with:
         pixi-version: v0.59.0