📝 Update docs for Query Params and String Validations, remove obsolete Ellipsis docs (...) (#13377)

docs_src/query_params_str_validations/tutorial006c.py

@@ -6,7 +6,7 @@ app = FastAPI()
 
 
 @app.get("/items/")
-async def read_items(q: Union[str, None] = Query(default=..., min_length=3)):
+async def read_items(q: Union[str, None] = Query(min_length=3)):
     results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
     if q:
         results.update({"q": q})