build: Move linters to python 3.11

.github/workflows/test.yml

@@ -22,12 +22,12 @@ jobs:
         name: Install Python
         with:
           # Lint python version must be synced with tox.ini
-          python-version: '3.8'
+          python-version: '3.11'
       - name: Install tox
         run: python -m pip install tox -c requirements.txt
 
       - name: Run test suite
-        run: python -m tox -e py38,lint
+        run: python -m tox -e py311,lint
 
   test_tox:
     name: Run full tests
@@ -57,7 +57,7 @@ jobs:
             # Pypy is a lot slower due to jit warmup costs, so don't run the
             # "full" test config there.
             tox_env: pypy3
-          - python: '3.8'
+          - python: '3.11'
             # Docs python version must be synced with tox.ini
             tox_env: docs
 

tox.ini

@@ -35,8 +35,9 @@ basepython =
            # the outputs of the tools (especially where exactly the
            # linter warning-suppression comments go), so we specify a
            # python version for these builds.
-           docs: python3.8
-           lint: python3.8
+           # These versions must be synced with the versions in .github/workflows/test.yml
+           docs: python3.11
+           lint: python3.11
 
 deps =
      full: pycurl