TST: use uv pip compile to keep minimal deps in sync

Author: neutrinoceros

.github/workflows/test.yml

@@ -32,6 +32,7 @@ jobs:
         include:
         - os: ubuntu-20.04
           python-version: '3.9'
+          deps: minimal
       fail-fast: false
 
     concurrency:
@@ -44,21 +45,21 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
-    - if: ${{ matrix.os == 'ubuntu-20.04' }}
-      name: Install minimal env
+
+    - run: python -m pip install --upgrade pip
+
+    - if: matrix.deps == 'minimal'
       run: |
-        python -m pip install --upgrade pip
-        python -m pip install tomli tomli_w
-        python scripts/pin_requirements.py
-        python -m pip uninstall --yes tomli tomli_w
-        python -m pip install -e . --only-binary ':all:'
-        python -m pip install pytest pytest-mpl pytest-cov
-    - if: ${{ matrix.os != 'ubuntu-20.04' }}
-      name: Install full test env
+        pipx run uv pip compile pyproject.toml --resolution=lowest-direct > mindeps.txt
+        python -m pip install --requirement mindeps.txt
+
+    - name: Build
       run: |
-        python -m pip install --upgrade pip setuptools wheel
-        pip install -r requirements/dev.txt
-    - run: python -m pip freeze
+        python -m pip install -e .
+        python -m pip install -r requirements/dev.txt
+
+    - run: python -m pip list
+
     - name: Test package
       run: |
         pytest --color=yes --mpl --cov --cov-config=pyproject.toml --cov-report=term-missing