revert setup

Author: irm-codebase

.github/workflows/pr-ci.yml

@@ -14,6 +14,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: setup-pixi
-        uses: prefix-dev/setup-pixi@v0.9.4
+        uses: prefix-dev/setup-pixi@v0.8.3
       - name: Run tests
         run: pixi run test