📝 Update renamed GitHub repo URLs for `isort` and `ujson`

docs/en/docs/alternatives.md

@@ -337,7 +337,7 @@ As it is based on the previous standard for synchronous Python web frameworks (W
 
 /// note
 
-Hug was created by Timothy Crosley, the same creator of [`isort`](https://github.com/timothycrosley/isort), a great tool to automatically sort imports in Python files.
+Hug was created by Timothy Crosley, the same creator of [`isort`](https://github.com/PyCQA/isort), a great tool to automatically sort imports in Python files.
 
 ///
 

docs/en/docs/index.md

@@ -578,7 +578,7 @@ Additional optional Pydantic dependencies:
 Additional optional FastAPI dependencies:
 
 * [`orjson`](https://github.com/ijl/orjson) - Required if you want to use `ORJSONResponse`.
-* [`ujson`](https://github.com/esnme/ultrajson) - Required if you want to use `UJSONResponse`.
+* [`ujson`](https://github.com/ultrajson/ultrajson) - Required if you want to use `UJSONResponse`.
 
 ## License { #license }