Added uv install to workflow

Author: clay53

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

@@ -13,6 +13,10 @@ jobs:
         with:
           path: ~/.local/share/virtualenvs
           key: v0-${{ hashFiles('backend/uv.lock') }}
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          version: "0.4.3"
       - name: Install Dependencies
         run: |-
           cd backend