Fix Kedro documentation inventory URL

Update Kedro intersphinx mapping from /en/latest/ to /en/stable/ to resolve
docs build failure caused by moved inventory location.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: RonnyPfannschmidt

docs/conf.py

@@ -99,7 +99,7 @@
     "setuptools": ("https://setuptools.pypa.io/en/latest", None),
     "tox": ("https://tox.wiki/en/latest", None),
     "devpi": ("https://devpi.net/docs/devpi/devpi/stable/+doc/", None),
-    "kedro": ("https://docs.kedro.org/en/latest/", None),
+    "kedro": ("https://docs.kedro.org/en/stable/", None),
 }