GitHub Actions: ruff check --output-format=github --target-version=py…

…39 (#79)

* GitHub Actions: ruff check --output-format=github --target-version=py39

* python -m pip install --upgrade pip

* uses: actions/setup-python@v5 with: {python-version: 3.13}

* Python 3.x

.github/workflows/ci.yml

@@ -5,9 +5,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - run: pip install --user codespell[toml] ruff
-      - run: codespell **/*.py **/*.txt --skip="venv/lib/python3*"
-      - run: ruff check --output-format=github --target-version=py38 .
+      - run: pipx run 'codespell[toml]' **/*.py **/*.txt --skip="venv/lib/python3*"
+      - run: pipx run ruff check --output-format=github --target-version=py39
   ci:
     strategy:
       fail-fast: false
@@ -19,10 +18,6 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with: {python-version: 3.x}
-      - name: Dump runner context
-        env:
-          RUNNER_CONTEXT: ${{ toJson(runner) }}
-        run: echo "$RUNNER_CONTEXT"
       - if: runner.os == 'Linux'
         run: |
           sudo apt-get update
@@ -33,7 +28,7 @@ jobs:
           echo "DYLD_LIBRARY_PATH=$(brew --prefix fluid-synth)/lib/" >> $GITHUB_ENV
       - if: runner.os == 'Windows'
         run: choco install fluidsynth
-      - run: pip install --upgrade pip
+      - run: python -m pip install --upgrade pip
       - run: pip install pyaudio
       - run: pip install --editable .
       - shell: python