Install the array-api-tests requirements

Author: asmeurer

.github/workflows/array-api-tests.yml

@@ -28,6 +28,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install numpy
+        python -m pip install -r ${GITHUB_WORKSPACE}/array-api-tests/requirements.txt
     - name: Run the array API testsuite (NumPy)
       env:
         ARRAY_API_TESTS_MODULE: array_api_compat.numpy