Fix build system

Author: sanders41

.github/workflows/testing.yml

@@ -50,7 +50,6 @@ jobs:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Install dependencies
         run: |
-          uv venv
           uv sync --frozen --all-extras
           uv run maturin build
       - name: mypy check
@@ -74,7 +73,6 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
         run: |
-          uv venv
           uv sync --frozen --all-extras
           uv run maturin build
       - name: Run tests

pyproject.toml

@@ -1,6 +1,6 @@
 [build-system]
-requires = ["hatchling"]
-build-backend = "hatchling.build"
+requires = ["maturin>=1.5,<2.0"]
+build-backend = "maturin"
 
 [project]
 name = "prelude-parser"