Re-point add-license hook to developer_tools

Author: yinggeh

.pre-commit-config.yaml

@@ -72,7 +72,7 @@ repos:
   - id: requirements-txt-fixer
   - id: trailing-whitespace
 
-- repo: https://github.com/triton-inference-server/pre-commit-hooks
+- repo: https://github.com/triton-inference-server/developer_tools
   rev: v0.1.0
   hooks:
   - id: add-license