✏️ Fix typos in docs (#11926)

tests/test_tutorial/test_dataclasses/test_tutorial002.py

@@ -12,7 +12,7 @@ def test_get_item():
     assert response.json() == {
         "name": "Island In The Moon",
         "price": 12.99,
-        "description": "A place to be be playin' and havin' fun",
+        "description": "A place to be playin' and havin' fun",
         "tags": ["breater"],
         "tax": None,
     }

tests/test_tutorial/test_dataclasses/test_tutorial003.py

@@ -31,7 +31,7 @@ def test_get_authors():
             "items": [
                 {
                     "name": "Island In The Moon",
-                    "description": "A place to be be playin' and havin' fun",
+                    "description": "A place to be playin' and havin' fun",
                 },
                 {"name": "Holy Buddies", "description": None},
             ],