update Python version to 3.11

.github/workflows/build-deb.yml

@@ -36,15 +36,15 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.10"
+          python-version: "3.11"
           cache: "pipenv"
       - name: Install pipenv
         run: |
           python -m pip install --upgrade pip pipenv
           python --version; python -m pip --version; pipenv --version
       - name: Setup project with pipenv
         run: |
-          pipenv --python 3.10 install --dev
+          pipenv --python 3.11 install --dev
       - name: Prepare to build a Debian source package
         run: |
           sudo apt-get -y install python3-all debhelper dh-python rename

.github/workflows/publish-to-pypi.yml

@@ -21,15 +21,15 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.10"
+          python-version: "3.11"
           cache: "pipenv"
       - name: Install pipenv
         run: |
           python -m pip install --upgrade pip pipenv
           python --version; python -m pip --version; pipenv --version
       - name: Setup project with pipenv
         run: |
-          pipenv --python 3.10 install --dev
+          pipenv --python 3.11 install --dev
 
       - name: Build a Python package
         run: |

.github/workflows/python-code-checks.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
 
     name: Running Python code checks with Python ${{ matrix.python-version }}
     steps: