Add ProcessPoolAction, update CAP to look only at keywords correctly

tests/test_actions/test_action_factory.py

@@ -0,0 +1,25 @@
+import pytest
+
+from falyx.action import Action, ActionFactoryAction, ChainedAction
+
+
+def make_chain(value) -> ChainedAction:
+    return ChainedAction(
+        "test_chain",
+        [
+            Action("action1", lambda: value + "_1"),
+            Action("action2", lambda: value + "_2"),
+        ],
+        return_list=True,
+    )
+
+
+@pytest.mark.asyncio
+async def test_action_factory_action():
+    action = ActionFactoryAction(
+        name="test_action", factory=make_chain, args=("test_value",)
+    )
+
+    result = await action()
+
+    assert result == ["test_value_1", "test_value_2"]