test improve cache command

.github/workflows/build-metrics-report.yml

@@ -39,7 +39,7 @@ jobs:
         name: Define a cache for the virtual environment based on the dependencies lock file
         with:
           path: ./.venv
-          key: venv-${{ hashFiles('poetry.lock') }}      
+          key: venv-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}
 
       - name: Install Dependencies
         run: |