simplify matrix

.github/workflows/tests.yaml

@@ -15,22 +15,22 @@ on:
       - '*.rst'
 jobs:
   tests:
-    name: ${{ matrix.name }}
-    runs-on: ${{ matrix.os }}
+    name: ${{ matrix.name || matrix.python }}
+    runs-on: ${{ matrix.os || 'ubuntu-latest' }}
     strategy:
       fail-fast: false
       matrix:
         include:
-          - {name: Linux, python: '3.12', os: ubuntu-latest, tox: py312}
-          - {name: Windows, python: '3.12', os: windows-latest, tox: py312}
-          - {name: Mac, python: '3.12', os: macos-latest, tox: py312}
-          - {name: '3.11', python: '3.11', os: ubuntu-latest, tox: py311}
-          - {name: '3.10', python: '3.10', os: ubuntu-latest, tox: py310}
-          - {name: '3.9', python: '3.9', os: ubuntu-latest, tox: py39}
-          - {name: '3.8', python: '3.8', os: ubuntu-latest, tox: py38}
-          - {name: 'PyPy', python: 'pypy-3.10', os: ubuntu-latest, tox: pypy310}
-          - {name: 'Minimum Versions', python: '3.12', os: ubuntu-latest, tox: py312-min}
-          - {name: 'Development Versions', python: '3.8', os: ubuntu-latest, tox: py38-dev}
+          - {python: '3.12'}
+          - {name: Windows, python: '3.12', os: windows-latest}
+          - {name: Mac, python: '3.12', os: macos-latest}
+          - {python: '3.11'}
+          - {python: '3.10'}
+          - {python: '3.9'}
+          - {python: '3.8'}
+          - {name: PyPy, python: 'pypy-3.10', tox: pypy310}
+          - {name: Minimum Versions, python: '3.12', tox: py-min}
+          - {name: Development Versions, python: '3.8', tox: py-dev}
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
@@ -40,7 +40,7 @@ jobs:
           cache: pip
           cache-dependency-path: requirements*/*.txt
       - run: pip install tox
-      - run: tox run -e py${{ matrix.python }}
+      - run: tox run -e ${{ matrix.tox || format('py{0}', matrix.python) }}
   typing:
     runs-on: ubuntu-latest
     steps: