Upgrade Python versions (dropping 3.8, 3.9)

Author: michaelosthege

.github/workflows/pipeline.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.10", "3.11", "3.12"]
     services:
       clickhouse:
         image: yandex/clickhouse-server
@@ -36,7 +36,7 @@ jobs:
         pytest -v --cov=./mcbackend --cov-report xml --cov-report term-missing mcbackend/
     - name: Upload coverage
       uses: codecov/codecov-action@v4
-      if: matrix.python-version == 3.9
+      if: matrix.python-version == 3.11
       with:
         file: ./coverage.xml
         fail_ci_if_error: false

.github/workflows/release.yml

@@ -23,7 +23,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5.1.0
       with:
-        python-version: 3.9
+        python-version: 3.11
     - name: Install dependencies
       run: |
         pip install -r requirements.txt