simplifying tests workflow

.github/workflows/tests.yml

@@ -24,21 +24,8 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-
-      - name: Get full Python version
-        id: full-python-version
-        run: echo ::set-output name=version::$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info))")
-
-      - name: Set up cache
-        uses: actions/cache@v3
-        id: cache
-        with:
-          path: .venv
-          key: venv-${{ runner.os }}-${{ steps.full-python-version.outputs.version }}
-
-      - name: Ensure cache is healthy
-        if: steps.cache.outputs.cache-hit == 'true'
-        run: pip --version >/dev/null 2>&1 || rm -rf .venv
+          cache: 'pip'
+          cache-dependency-path: '**/pyproject.toml'
 
       - name: Upgrade pip, setuptools and wheel
         run: |