Ensure venv working after restore

Author: CoMPaTech

.github/actions/restore-venv/action.yml

@@ -26,6 +26,11 @@ runs:
             ${{ inputs.venv-dir }}
             ${{ inputs.precommit-home }}
           key: ${{ inputs.cache-key }}
+      - name: Ensure virtual environment after restore
+        if: ${{ steps.cache-create.outputs.cache-hit == 'true' }}
+        shell: bash
+        run: |
+          python -m venv --upgrade ${{ inputs.venv-dir }}
       - name: Create Python virtual environment
         if: ${{ steps.cache-create.outputs.cache-hit != 'true' }}
         shell: bash