chore(ci): replace uv github action to manual install

Signed-off-by: Boris Yumankulov <boria138@altlinux.org>

.gitea/workflows/renovate.yml

@@ -17,11 +17,10 @@ jobs:
         with:
           node-version: 20
 
-      - name: Install uv manually
-        run: |
-          curl -LsSf https://astral.sh/uv/install.sh | sh
-          source $HOME/.local/bin/env
-          uv --version
+      - name: Install uv
+        uses: https://github.com/astral-sh/setup-uv@v6
+        with:
+          enable-cache: true
 
       - name: Download external renovate config
         run: |