[fix][submodule] recover libexpr to 9687d0d

Dongwei · Dongwei · commit ae54d15cf60a · 2025-10-30T14:29:25.000+08:00
diff --git a/src/libexpr b/src/libexpr
@@ -1 +1 @@
-Subproject commit c7525a1d543069be6eedbc4b5d5876f01c9cc3d0
+Subproject commit 9687d0dcf131b5329f7f1aa019847f17724eb190
