test: use unusual chars in the path to ensure our tests are robust

Author: aduh95

.github/workflows/test-linux.yml

@@ -37,6 +37,7 @@ jobs:
       - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9  # v3.5.3
         with:
           persist-credentials: false
+          path: "dir%20with weird chars åß∂ƒ©∆¬…"
       - name: Set up Python ${{ env.PYTHON_VERSION }}
         uses: actions/setup-python@61a6322f88396a6271a6ee3565807d608ecaddd1  # v4.7.0
         with: