Bump prefix-dev/setup-pixi from 0.9.3 to 0.9.4

Bumps [prefix-dev/setup-pixi](https://github.com/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
...

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

Author: dependabot[bot]

.github/workflows/test_bench.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v6
-      - uses: prefix-dev/setup-pixi@v0.9.3
+      - uses: prefix-dev/setup-pixi@v0.9.4
         with:
           pixi-version: "v0.49.0"
       - run: |

action.yaml

@@ -41,7 +41,7 @@ runs:
       run: |
         git config user.name "Scientific Python [bot]"
         git config user.email "scientific-python@users.noreply.github.com"
-    - uses: prefix-dev/setup-pixi@82d477f15f3a381dbcc8adc1206ce643fe110fb7 # v0.9.3
+    - uses: prefix-dev/setup-pixi@a0af7a228712d6121d37aba47adf55c1332c9c2e # v0.9.4
       name: Setup Pixi
       with:
         pixi-version: v0.49.0