types: using unknown instead of any (#8152)

* types: using unknown instead of any

* chore: UnknownProp

src/toast/Toast.tsx

@@ -1,7 +1,7 @@
-import { watch, onMounted, onUnmounted, PropType } from 'vue';
+import { watch, PropType, onMounted, onUnmounted, CSSProperties } from 'vue';
 
 // Utils
-import { createNamespace, isDef } from '../utils';
+import { createNamespace, isDef, UnknownProp } from '../utils';
 import { lockClick } from './lock-click';
 
 // Components
@@ -19,13 +19,13 @@ export default createComponent({
     icon: String,
     show: Boolean,
     message: [Number, String],
-    className: null,
+    className: UnknownProp,
     iconPrefix: String,
     lockScroll: Boolean,
     loadingType: String as PropType<LoadingType>,
     forbidClick: Boolean,
-    overlayClass: null,
-    overlayStyle: Object,
+    overlayClass: UnknownProp,
+    overlayStyle: Object as PropType<CSSProperties>,
     closeOnClick: Boolean,
     closeOnClickOverlay: Boolean,
     type: {

src/toast/index.tsx

@@ -15,13 +15,13 @@ export type ToastOptions = {
   duration?: number;
   teleport?: TeleportProps['to'];
   position?: ToastPosition;
-  className?: any;
+  className?: unknown;
   transition?: string;
   iconPrefix?: string;
   loadingType?: LoadingType;
   forbidClick?: boolean;
   closeOnClick?: boolean;
-  overlayClass?: any;
+  overlayClass?: unknown;
   overlayStyle?: Record<string, any>;
   closeOnClickOverlay?: boolean;
 };