Exclude setuptools and cython from Renovate updates (#170)

* Initial plan

* chore: update renovate config to ignore setuptools and cython

Co-authored-by: whtsky <876694+whtsky@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: whtsky <876694+whtsky@users.noreply.github.com>

Author: Copilot

.github/renovate.json

@@ -1,3 +1,4 @@
 {
-  "extends": ["@whtsky"]
+  "extends": ["@whtsky"],
+  "ignoreDeps": ["setuptools", "cython"]
 }