update workflows

- up actions versions
- remove flake8 check

.github/workflows/ci.yml

@@ -17,13 +17,13 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.9]
+        python-version: [3.11]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -32,13 +32,6 @@ jobs:
           python -m pip install --upgrade pip
           pip install -e .[ci]
 
-      - name: Lint with flake8
-        run: |
-          # stop the build if there are Python syntax errors or undefined names
-          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
-          # exit-zero treats all errors as warnings.
-          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=80 --statistics
-
       - name: Download executables needed for tests
         shell: bash -l {0}
         run: |

.github/workflows/python-publish.yml

@@ -9,22 +9,24 @@ on:
 
 jobs:
   deploy:
-
     runs-on: ubuntu-latest
-
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
+
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: '3.9'
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install build setuptools wheel
+
     - name: build binary wheel and a source tarball
       run: |
         python -m build --sdist --wheel --outdir dist/
+
     - name: Publish a Python distribution to PyPI
       uses: pypa/gh-action-pypi-publish@release/v1
       with: