Update dependency platformdirs to v4.2.1

Author: renovate[bot]

requirements.txt

@@ -28,7 +28,7 @@ msgspec==0.18.6 ; python_version >= "3.10" and python_version < "4.0"
 mypy-extensions==1.0.0 ; python_version >= "3.10" and python_version < "4.0"
 packaging==24.0 ; python_version >= "3.10" and python_version < "4.0"
 pathspec==0.12.1 ; python_version >= "3.10" and python_version < "4.0"
-platformdirs==4.2.0 ; python_version >= "3.10" and python_version < "4.0"
+platformdirs==4.2.1 ; python_version >= "3.10" and python_version < "4.0"
 ply==3.11 ; python_version >= "3.10" and python_version < "4.0"
 pycodestyle==2.11.1 ; python_version >= "3.10" and python_version < "4.0"
 pyflakes==3.2.0 ; python_version >= "3.10" and python_version < "4.0"