👷 use new setup-python

.github/actions/setup-python/action.yml

@@ -1,31 +0,0 @@
-name: Setup Python
-description: Setup Python
-
-inputs:
-  python-version:
-    description: Python version
-    required: false
-    default: "3.10"
-
-runs:
-  using: "composite"
-  steps:
-    - name: Set up Python
-      uses: actions/setup-python@v2
-      with:
-        python-version: ${{ inputs.python-version }}
-
-    - name: Install poetry
-      uses: Gr1N/setup-poetry@v7
-
-    - id: poetry-cache
-      run: echo "::set-output name=dir::$(poetry config virtualenvs.path)"
-      shell: bash
-
-    - uses: actions/cache@v2
-      with:
-        path: ${{ steps.poetry-cache.outputs.dir }}
-        key: ${{ runner.os }}-poetry-${{ steps.python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}
-
-    - run: poetry install
-      shell: bash