chore(internal): update deps (#486)

Author: stainless-app[bot]

mypy.ini

@@ -41,7 +41,7 @@ cache_fine_grained = True
 # ```
 # Changing this codegen to make mypy happy would increase complexity
 # and would not be worth it.
-disable_error_code = func-returns-value
+disable_error_code = func-returns-value,overload-cannot-match
 
 # https://github.com/python/mypy/issues/12162
 [mypy.overrides]

requirements-dev.lock

@@ -48,7 +48,7 @@ markdown-it-py==3.0.0
     # via rich
 mdurl==0.1.2
     # via markdown-it-py
-mypy==1.13.0
+mypy==1.14.1
 mypy-extensions==1.0.0
     # via mypy
 nest-asyncio==1.6.0
@@ -68,7 +68,7 @@ pydantic-core==2.27.1
     # via pydantic
 pygments==2.18.0
     # via rich
-pyright==1.1.390
+pyright==1.1.391
 pytest==8.3.3
     # via pytest-asyncio
 pytest-asyncio==0.24.0