Bump actions uv version

Author: clay53

.github/workflows/cdkactions_build-and-deploy.yaml

@@ -16,7 +16,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v5
         with:
-          version: "0.4.30"
+          version: "0.6.8"
       - name: Install Dependencies
         run: |-
           cd backend