Update minimum.yml

Author: gsheni

.github/workflows/minimum.yml

@@ -27,6 +27,6 @@ jobs:
     - name: Install dependencies
       run: |
           python -m pip install --upgrade pip
-          python -m pip install invoke .[test]
+          python -m pip install --no-cache-dir invoke .[test]
     - name: Test with minimum versions
       run: invoke minimum