Update to v1.2.1

lizhuoli · lizhuoli · commit aee4b3f5d073 · 2021-09-30T16:44:45.000+08:00
diff --git a/libwebp b/libwebp
@@ -1 +1 @@
-Subproject commit fedac6cc69cda3e9e04b780d324cf03921fb3ff4
+Subproject commit 9ce5843dbabcfd3f7c39ec7ceba9cbeb213cbfdf
