Make tools.py executable

So we can run it without prefixing it with `uv run`.

Signed-off-by: Gaëtan Lehmann <gaetan.lehmann@vates.tech>

Author: glehmann

scripts/tools.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 """Just a wrapper to run cli tools package.
 """
 import sys