Convert Python version "3.9" and "pypy3.10" to "cp39" and "pp310" in GitHub Actions

make-python-cp-version.yaml

jobs:
  build:
    steps:
    - name: Make Python implementation ID (non-Windows)
      id: convert-version-id
      if: startsWith(matrix.os, 'windows-') == false
      run: |
        PYTHON_VERSION=${{ matrix.python-version }}
        if [[ "$PYTHON_VERSION" == pypy* ]]; then
          CP_VER="pp${PYTHON_VERSION:4}"
          CP_VER="${CP_VER//./}"
        else
          CP_VER="cp${PYTHON_VERSION//./}"
        fi
        echo "Python version: $CP_VER"
        echo "CP_VER=$CP_VER" >> $GITHUB_ENV

    - name: Make Python implementation ID (Windows)
      id: convert-version-id-win
      if: startsWith(matrix.os, 'windows-')
      shell: powershell
      run: |
        $PYTHON_VERSION = "${{ matrix.python-version }}"
        if ($PYTHON_VERSION -like "pypy*") {
          $CP_VER = "pp" + $PYTHON_VERSION.Substring(4).Replace(".", "")
        } else {
          $CP_VER = "cp" + $PYTHON_VERSION.Replace(".", "")
        }
        echo "Python version: $CP_VER"
        echo "CP_VER=$CP_VER" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append