python311Packages.pydantic: disable strict docs building

The docs build being strict, makes it fail on warnings:

WARNING -  Material emoji logic has been officially moved into mkdocs-material
version 9.4. Please use Material's 'material.extensions.emoji.to_svg'
instead of 'materialx.emoji.to_svg' in your 'mkdocs.yml' file.

pkgs/development/python-modules/pydantic/default.nix

@@ -6,7 +6,6 @@
 , devtools
 , email-validator
 , fetchFromGitHub
-, fetchpatch
 , pytest-mock
 , pytestCheckHook
 , python-dotenv
@@ -53,6 +52,10 @@ buildPythonPackage rec {
 
   postPatch = ''
     sed -i '/flake8/ d' Makefile
+
+    # Disable strict docs build due warnings being treated as errors
+    substituteInPlace mkdocs.yml \
+      --replace "strict: true" "strict: false"
   '';
 
   buildInputs = lib.optionals (pythonOlder "3.9") [