[CI] add pip caching

Author: egpbos

.github/actions/install-python-and-package/action.yml

@@ -12,6 +12,8 @@ runs:
       uses: actions/setup-python@v2
       with:
         python-version: ${{ inputs.python-version }}
+        cache: 'pip'
+        cache-dependency-path: setup.cfg
     - name: Python info
       shell: bash {0}
       run: |