fix: remove broken URL extend, use local ruff config

Author: Pigbibi

pyproject.toml

@@ -40,7 +40,6 @@ pythonpath = [
 testpaths = ["tests"]
 
 [tool.ruff]
-extend = "https://raw.githubusercontent.com/QuantStrategyLab/QuantPlatformKit/main/ruff-shared.toml"
 ignore = ["E701", "E702", "E741", "F841", "F821", "B008", "F401", "F601", "E402", "E401"]
 target-version = "py311"
 line-length = 100