fix: updated types in Tab.ts & .svelte

Author: k4m1

packages/svelte-materialify/@types/Tab.d.ts

@@ -3,8 +3,8 @@ import { SvelteComponent } from './shared';
 export interface TabProps {
     class?: string;
     value?: any;
-    activeClass?: any;
-    disabled?: object;
+    activeClass?: string;
+    disabled?: boolean;
 }
 
 declare class Tab extends SvelteComponent<TabProps> { }

packages/svelte-materialify/src/components/Tabs/Tab.svelte

@@ -15,7 +15,7 @@
   export { klass as class };
   export let value = ITEM.index();
   export let activeClass = ITEM.activeClass;
-  export let disabled = null;
+  export let disabled = false;
 
   let active;
   ITEM.register((values) => {