ci: add another ubsan suppression related to overflow

apoelstra · apoelstra · commit 67942f5ac65f · 2025-02-07T15:31:49.000Z
diff --git a/test/sanitizer_suppressions/ubsan b/test/sanitizer_suppressions/ubsan
@@ -81,3 +81,4 @@ implicit-integer-sign-change:primitives/confidential.cpp
 implicit-integer-sign-change:primitives/confidential.h
 shift-base:simplicity/sha256.c
 unsigned-integer-overflow:simplicity/sha256.c
+implicit-integer-sign-change:simplicity/secp256k1/modinv64_impl.h
