update submodule

bobzhang · bobzhang · commit 4a9f82f0e7c0 · 2022-10-31T16:23:23.000+08:00
diff --git a/syntax b/syntax
@@ -1 +1 @@
-Subproject commit 180e25256fb28c00f8542ade5b0e4609593c1b31
+Subproject commit c6807e87c112a22657c21f43f26e012ad4ba1ce2
