Bump prefix-dev/setup-pixi from 0.6.0 to 0.7.0 (#53)

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

@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: prefix-dev/setup-pixi@v0.6.0
+      - uses: prefix-dev/setup-pixi@v0.7.0
         with:
           pixi-version: v0.20.1
           cache: true