Update uv version to 0.6.7

Author: ulgens

uv/helpers/requirements.txt

@@ -7,7 +7,7 @@ plette==2.1.0
 poetry==1.8.5
 # TODO: Replace 3p package `tomli` with 3.11's new stdlib `tomllib` once we drop support for Python 3.10.
 tomli==2.0.1
-uv==0.6.2
+uv==0.6.7
 
 # Some dependencies will only install if Cython is present
 Cython==3.0.10