Update the github actions

.github/workflows/main.yml

@@ -27,41 +27,19 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: ["3.8", "3.10"]
+        python: ["3.8", "3.9", "3.10"]
         task:
           - name: Test
             run: |
               pytest -v --color=yes tests/
 
         include:
-          - python: "3.10"
-            task:
-              name: Lint
-              run: ruff check .
-
-          - python: "3.10"
-            task:
-              name: Type check
-              run: mypy .
-
           - python: "3.10"
             task:
               name: Build
               run: |
                 python -m build
 
-          - python: "3.10"
-            task:
-              name: Style
-              run: |
-                isort --check .
-                black --check .
-
-          - python: "3.10"
-            task:
-              name: Docs
-              run: cd docs && make html
-
     steps:
       - uses: actions/checkout@v3
 
@@ -71,16 +49,6 @@ jobs:
           python-version: ${{ matrix.python }}
           cache-prefix: ${{ env.CACHE_PREFIX }}
 
-      - name: Restore mypy cache
-        if: matrix.task.name == 'Type check'
-        uses: actions/cache@v3
-        with:
-          path: .mypy_cache
-          key: mypy-${{ env.CACHE_PREFIX }}-${{ runner.os }}-${{ matrix.python }}-${{ hashFiles('*requirements.txt') }}-${{ github.ref }}-${{ github.sha }}
-          restore-keys: |
-            mypy-${{ env.CACHE_PREFIX }}-${{ runner.os }}-${{ matrix.python }}-${{ hashFiles('*requirements.txt') }}-${{ github.ref }}
-            mypy-${{ env.CACHE_PREFIX }}-${{ runner.os }}-${{ matrix.python }}-${{ hashFiles('*requirements.txt') }}
-
       - name: ${{ matrix.task.name }}
         run: |
           . .venv/bin/activate
@@ -97,53 +65,4 @@ jobs:
         if: always()
         run: |
           . .venv/bin/activate
-          pip uninstall -y simplextree
-
-  release:
-    name: Release
-    runs-on: ubuntu-latest
-    needs: [checks]
-    if: startsWith(github.ref, 'refs/tags/')
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-
-      - name: Setup Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: "3.10"
-
-      - name: Install requirements
-        run: |
-          pip install --upgrade pip setuptools wheel build
-          pip install -e .[dev]
-
-      - name: Prepare environment
-        run: |
-          echo "RELEASE_VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_ENV
-          echo "TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
-
-      - name: Download package distribution files
-        uses: actions/download-artifact@v3
-        with:
-          name: package
-          path: dist
-
-      - name: Generate release notes
-        run: |
-          python scripts/release_notes.py > ${{ github.workspace }}-RELEASE_NOTES.md
-
-      - name: Publish package to PyPI
-        run: |
-          twine upload -u '${{ secrets.PYPI_USERNAME }}' -p '${{ secrets.PYPI_PASSWORD }}' dist/*
-
-      - name: Publish GitHub release
-        uses: softprops/action-gh-release@v1
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          body_path: ${{ github.workspace }}-RELEASE_NOTES.md
-          prerelease: ${{ contains(env.TAG, 'rc') }}
-          files: |
-            dist/*
+          pip uninstall -y simplextree