Update bootstrap to 5.3.3

Author: berkerol

typer.html

@@ -6,7 +6,7 @@
   <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
   <title>Typer</title>
   <meta name="description" content="A tower defense like typing game">
-  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
+  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH" crossorigin="anonymous">
   <link rel="stylesheet" href="typer.css">
   <script>
     window.dataLayer = window.dataLayer || [];