Bump prefix-dev/setup-pixi from 0.7.0 to 0.8.1 (#57)

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

Author: dependabot[bot]

.github/workflows/main.yml

@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: prefix-dev/setup-pixi@v0.7.0
+      - uses: prefix-dev/setup-pixi@v0.8.1
         with:
           pixi-version: v0.23.0
           cache: true
@@ -42,7 +42,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: prefix-dev/setup-pixi@v0.7.0
+      - uses: prefix-dev/setup-pixi@v0.8.1
         with:
           pixi-version: v0.23.0
           cache: true