ci: Bump prefix-dev/setup-pixi from 0.8.4 to 0.8.8 in the ci-dependencies group (#54)

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Setup pixi
-        uses: prefix-dev/[email protected].4
+        uses: prefix-dev/[email protected].8
         with:
           environments: pre-commit
       - name: Install dependencies
@@ -38,7 +38,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Setup pixi
-        uses: prefix-dev/[email protected].4
+        uses: prefix-dev/[email protected].8
         with:
           environments: terraform
       - name: Install dependencies