Update Windows workflow and try to fix MacOS

.github/workflows/test_mac.yml

@@ -24,7 +24,7 @@ jobs:
 
       - name: Sync UV
         run: |
-          uv sync --no-dev --group test --group macos
+          uv sync --no-dev --group test --group macos --python-platform x86_64-apple-darwin
 
       - name: Run Tests
         run: |

.github/workflows/test_win.yml

@@ -14,20 +14,26 @@ jobs:
   testWin:
     runs-on: windows-latest
     steps:
-      - name: Python Setup
-        uses: actions/setup-python@v6
-        with:
-          python-version: "3.13"
-          architecture: x64
       - name: Checkout Source
         uses: actions/checkout@v5
-      - name: Install Dependencies (pip)
+
+      - name: Install UV and Python
+        uses: astral-sh/setup-uv@v6
+        with:
+          python-version: "3.13"
+
+      - name: Sync UV
         run: |
-          pip install -U -r requirements.txt -r tests/requirements.txt
+          uv sync --no-dev --group test
+
       - name: Run Tests
         run: |
-          python -m pytest -v --cov=novelwriter --timeout=60
+          $env:QT_QPA_PLATFORM=offscreen
+          uv run --no-sync coverage run -m pytest -v --timeout=60
+          uv run --no-sync coverage xml
+
       - name: Upload to Codecov
         uses: codecov/codecov-action@v5
-        env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          fail_ci_if_error: true