Fix variable interpolation syntax

Author: asmeurer

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

@@ -39,15 +39,15 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install {{ inputs.package-name }}
+        python -m pip install ${{ inputs.package-name }}
         python -m pip install -r ${GITHUB_WORKSPACE}/array-api-tests/requirements.txt
-    - name: Run the array API testsuite ({{ inputs.package-name }})
+    - name: Run the array API testsuite (${{ inputs.package-name }})
       env:
-        ARRAY_API_TESTS_MODULE: array_api_compat.{{ inputs.package-name }}
+        ARRAY_API_TESTS_MODULE: array_api_compat.${{ inputs.package-name }}
         # This enables the NEP 50 type promotion behavior (without it a lot of
         # tests fail on bad scalar type promotion behavior)
         NPY_PROMOTION_STATE: weak
       run: |
         export PYTHONPATH="${GITHUB_WORKSPACE}/array-api-compat"
         cd ${GITHUB_WORKSPACE}/array-api-tests
-        pytest ${PYTEST_ARGS} --xfails-file ${GITHUB_WORKSPACE}/array-api-compat/{{ inputs.package-name }}-xfails.txt array_api_tests/
+        pytest ${PYTEST_ARGS} --xfails-file ${GITHUB_WORKSPACE}/array-api-compat/${{ inputs.package-name }}-xfails.txt array_api_tests/