update windows test

Author: themisvaltinos

tests/core/test_context.py

@@ -1506,6 +1506,8 @@ def test_requirements(copy_to_temp_path: t.Callable):
         "dev", no_prompts=True, skip_tests=True, skip_backfill=True, auto_apply=True
     ).environment
     requirements = {"ipywidgets", "numpy", "pandas", "test_package"}
+    if IS_WINDOWS:
+        requirements.add("pendulum")
     assert environment.requirements["pandas"] == "2.2.2"
     assert set(environment.requirements) == requirements