Fix CI install

Author: sanders41

.github/workflows/testing.yml

@@ -49,7 +49,9 @@ jobs:
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Install dependencies
-        run: just install
+        run: |
+          uv sync --frozen
+          maturin build --out dist
       - name: mypy check
         run: just mypy
   test:
@@ -61,8 +63,6 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
-      - name: install Just
-        uses: taiki-e/install-action@just
       - name: Install uv
         uses: astral-sh/setup-uv@v3
         with:
@@ -72,7 +72,9 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
-        run: just install
+        run: |
+          uv sync --frozen
+          maturin build --out dist
       - name: Run tests
         run: uv run pytest --cov=prelude_parser --cov-report=xml
       - name: Upload coverage