Bump prefix-dev/setup-pixi from 0.9.3 to 0.9.4 in the actions group (#11174)

Bumps the 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: actions
...

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

Author: dependabot[bot]

.github/workflows/ci-additional.yaml

@@ -214,7 +214,7 @@ jobs:
         uses: Parcels-code/pixi-lock/restore@9a2866f8258b87a3c616d5ad7d51c6cd853df78b
         with:
           cache-key: ${{ needs.cache-pixi-lock.outputs.cache-key }}
-      - uses: prefix-dev/setup-pixi@v0.9.3
+      - uses: prefix-dev/setup-pixi@v0.9.4
         with:
           pixi-version: ${{ needs.cache-pixi-lock.outputs.pixi-version }}
           cache: true

.github/workflows/ci.yaml

@@ -103,7 +103,7 @@ jobs:
         uses: Parcels-code/pixi-lock/restore@9a2866f8258b87a3c616d5ad7d51c6cd853df78b
         with:
           cache-key: ${{ needs.cache-pixi-lock.outputs.cache-key }}
-      - uses: prefix-dev/setup-pixi@v0.9.3
+      - uses: prefix-dev/setup-pixi@v0.9.4
         with:
           pixi-version: ${{ needs.cache-pixi-lock.outputs.pixi-version }}
           cache: true

.github/workflows/hypothesis.yaml

@@ -84,7 +84,7 @@ jobs:
         uses: Parcels-code/pixi-lock/restore@9a2866f8258b87a3c616d5ad7d51c6cd853df78b
         with:
           cache-key: ${{ needs.cache-pixi-lock.outputs.cache-key }}
-      - uses: prefix-dev/setup-pixi@v0.9.3
+      - uses: prefix-dev/setup-pixi@v0.9.4
         with:
           pixi-version: ${{ needs.cache-pixi-lock.outputs.pixi-version }}
           cache: true

.github/workflows/upstream-dev-ci.yaml

@@ -141,7 +141,7 @@ jobs:
         uses: Parcels-code/pixi-lock/restore@9a2866f8258b87a3c616d5ad7d51c6cd853df78b
         with:
           cache-key: ${{ needs.cache-pixi-lock.outputs.cache-key }}
-      - uses: prefix-dev/setup-pixi@v0.9.3
+      - uses: prefix-dev/setup-pixi@v0.9.4
         with:
           pixi-version: ${{ needs.cache-pixi-lock.outputs.pixi-version }}
           cache: true