Bump prefix-dev/setup-pixi from 0.8.3 to 0.8.4

Bumps [prefix-dev/setup-pixi](https://github.com/prefix-dev/setup-pixi) from 0.8.3 to 0.8.4.
- [Release notes](https://github.com/prefix-dev/setup-pixi/releases)
- [Commits](prefix-dev/setup-pixi@v0.8.3...v0.8.4)

---
updated-dependencies:
- dependency-name: prefix-dev/setup-pixi
  dependency-version: 0.8.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/ci_macos.yml

@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup pixi
-        uses: prefix-dev/setup-pixi@v0.8.3
+        uses: prefix-dev/setup-pixi@v0.8.4
         with:
           cache: true
 

.github/workflows/ci_ubuntu.yml

@@ -84,7 +84,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup pixi
-        uses: prefix-dev/setup-pixi@v0.8.3
+        uses: prefix-dev/setup-pixi@v0.8.4
         with:
           cache: true
 

.github/workflows/ci_windows.yml

@@ -33,7 +33,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup pixi
-        uses: prefix-dev/setup-pixi@v0.8.3
+        uses: prefix-dev/setup-pixi@v0.8.4
         with:
           cache: true
 

.github/workflows/update_lockfiles.yml

@@ -20,7 +20,7 @@ jobs:
         with:
           ref: ${{ matrix.base }}
       - name: Set up pixi
-        uses: prefix-dev/setup-pixi@v0.8.3
+        uses: prefix-dev/setup-pixi@v0.8.4
         with:
           run-install: false
       - name: Update lockfiles