explicitly run a tox environment

Author: ngoldbaum

.github/workflows/ci.yml

@@ -22,7 +22,16 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14", "3.14t"]
+        python-version: [
+            ["3.8", "py38"],
+            ["3.9", "py39"],
+            ["3.10", "py310"],
+            ["3.11", "py311"],
+            ["3.12", "py312"],
+            ["3.13", "py313"],
+            ["3.14", "py314"],
+            ["3.14t", "py314t"],
+        ]
     steps:
       - name: Set git to use LF on Windows
         if: runner.os == 'Windows'
@@ -34,12 +43,12 @@ jobs:
           submodules: recursive
       - uses: actions/setup-python@v6
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: ${{ matrix.python-version[0] }}
           allow-prereleases: true
       - name: Run tests
         run: |
           python -m pip install tox
-          tox --skip-missing-interpreters
+          tox -e ${{ matrix.python-version[1] }}
 
   package-sdist:
     runs-on: ubuntu-latest