build: changelog automatic update

Author: metworkbot

CHANGELOG.md

@@ -32,5 +32,6 @@
 - add mfai package and dependencies (#251)
 - bump torchmetrics to 1.9.0 and lightning-utilities to 0.15.3 (#256)
 - bump onnxruntime from 1.22.0 to 1.24.4 (compat Python 3.14) (#258)
+- bump onnx from 1.20.1 to 1.21.0 (fix CVE-2026-34445/28500) (#262)