Update XNNPACK to 3131afe (#13234)

mcr229 · web-flow · commit 71c9a4fa72a3 · 2025-08-12T11:32:09.000-07:00
diff --git a/backends/xnnpack/third-party/XNNPACK b/backends/xnnpack/third-party/XNNPACK
@@ -1 +1 @@
-Subproject commit 52208356940a7c7d3597cf386d500a0f776f7bd0
+Subproject commit 3131afead790c5c69a9aa12273dfc40399789ad7
