Add CI job

Author: rhshadrach

.github/workflows/unit-tests.yml

@@ -31,6 +31,7 @@ jobs:
         # Prevent the include jobs from overriding other jobs
         pattern: [""]
         pandas_future_infer_string: ["1"]
+        pandas_future_python_scalars: ["0"]
         include:
           - name: "Downstream Compat"
             env_file: actions-313-downstream_compat.yaml
@@ -75,6 +76,10 @@ jobs:
             env_file: actions-313.yaml
             pandas_future_infer_string: "0"
             platform: ubuntu-24.04
+          - name: "PANDAS_FUTURE_PYTHON_SCALARS=1"
+            env_file: actions-313.yaml
+            pandas_future_python_scalars: "1"
+            platform: ubuntu-24.04
           - name: "Numpy Dev"
             env_file: actions-313-numpydev.yaml
             pattern: "not slow and not network and not single_cpu"
@@ -92,6 +97,7 @@ jobs:
       LC_ALL: ${{ matrix.lc_all || '' }}
       PANDAS_CI: '1'
       PANDAS_FUTURE_INFER_STRING: ${{ matrix.pandas_future_infer_string || '1' }}
+      PANDAS_FUTURE_PYTHON_SCALARS: ${{ matrix.pandas_future_python_scalars || '0' }}
       TEST_ARGS: ${{ matrix.test_args || '' }}
       PYTEST_WORKERS: 'auto'
       PYTEST_TARGET: ${{ matrix.pytest_target || 'pandas' }}