Introduce typo in unit-tests.yml (testing failure)

Author: marclecerf

.github/workflows/unit-tests.yml

@@ -90,7 +90,7 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
-          cache: 'pip'
+          cache: 'pip
       - name: Upgrade pip to v23+
         run: |
           pip install --upgrade pip