ci: fix GitHub Actions workflows to create venv first

- Add 'uv venv' step before installing dependencies
- Both test.yml and quality.yml updated

Author: rand

.github/workflows/quality.yml

@@ -21,6 +21,9 @@ jobs:
       - name: Set up Python
         run: uv python install 3.12
 
+      - name: Create virtual environment
+        run: uv venv
+
       - name: Install dependencies
         run: uv pip install -e ".[dev]"
 

.github/workflows/test.yml

@@ -24,6 +24,9 @@ jobs:
       - name: Set up Python ${{ matrix.python-version }}
         run: uv python install ${{ matrix.python-version }}
 
+      - name: Create virtual environment
+        run: uv venv
+
       - name: Install dependencies
         run: uv pip install -e ".[dev]"