CI: Don't install and run proselint on older versions of Python

proselint >= 0.16 requires Python 3.10 or higher.

Author: amotl

.github/workflows/tests.yml

@@ -74,9 +74,15 @@ jobs:
         pip install --editable=.[test,develop]
 
     - name: Run linter and software tests
+      if: matrix.python-version != '3.7' && matrix.python-version != '3.8' && matrix.python-version != '3.9'
       run: poe check
 
+    - name: Run software tests
+      if: matrix.python-version == '3.7' && matrix.python-version == '3.8' && matrix.python-version == '3.9'
+      run: poe test
+
     - name: Upload coverage to Codecov
+      if: matrix.python-version != '3.7' && matrix.python-version != '3.8' && matrix.python-version != '3.9'
       uses: codecov/codecov-action@v5
       env:
         CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

pyproject.toml

@@ -66,7 +66,7 @@ dependencies = [
 ]
 optional-dependencies.develop = [
   "poethepoet<1",
-  "proselint>=0.16,<1",
+  "proselint>=0.16,<1; python_version>='3.10'",
   "pyproject-fmt<3",
   "ruff<0.15",
   "validate-pyproject<1",