chore(deps): bump prefix-dev/setup-pixi from 0.5.1 to 0.8.1 (#40)

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
           - py310
     steps:
         - uses: actions/checkout@v4
-        - uses: prefix-dev/setup-pixi@v0.5.1
+        - uses: prefix-dev/setup-pixi@v0.8.1
           with:
             pixi-version: "latest"
             environments: ${{ matrix.pixi-environment }}