Update mvfst submodule ref

mszabo-wikia · mszabo-wikia · commit 661c04e14998 · 2025-10-10T21:23:31.000+02:00
diff --git a/third-party/mvfst/src b/third-party/mvfst/src
@@ -1 +1 @@
-Subproject commit 57bf5ac97e9a9c347a781912b468909f600188d7
+Subproject commit b3119e5caba5f7c5f5990534221ee4e7eb2613bd
