Bump build backend (#162)

Dependabot why hast thou forsaken me?

Author: nx10

pyproject.toml

@@ -47,5 +47,5 @@ convention = "google"
 "tests/**/*.py" = []
 
 [build-system]
-requires = ["uv_build>=0.8.13,<0.9.0"]
+requires = ["uv_build>=0.9.3,<0.10.0"]
 build-backend = "uv_build"