chore: remove unnecessary type

src/components/ProgressBar.tsx

 import { Progress } from "@nextui-org/react";
 
 type ProgressBarProps = {
-  value?: number | null;
+  value?: number;
 };
-const ProgressBar = ({ value = null }: ProgressBarProps) => {
+const ProgressBar = ({ value }: ProgressBarProps) => {
   return (
     <Progress
       isIndeterminate={!value}