fix setup uv step

.gitea/workflows/run-tests.yml

@@ -12,15 +12,14 @@ jobs:
   test:
     name: Run Tests
     runs-on: ubuntu-latest
-    container:
-      image: python:3.9
 
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
 
       - name: Install the latest version of uv
-        run: pip install uv
+        run:
+          - pip3 install uv
 
       - name: Install dependencies
         run: uv sync