fix: relax $emit type

ktsn · ktsn · commit bc0a8bcc0777 · 2020-05-20T23:51:15.000+08:00
diff --git a/src/vue.ts b/src/vue.ts
@@ -115,7 +115,7 @@ export type Vue<Props = unknown> = ComponentPublicInstance<
   {},
   {},
   {},
-  {},
+  Record<string, any>,
   Props
 > &
   ClassComponentHooks
