[bug]: add type on SidebarProvider

[ravenkim]

Describe the bug

add type to SidebarProvider example

Affected component/components

sidebar

How to reproduce

 style={{
        "--sidebar-width": "20rem",
        "--sidebar-width-mobile": "20rem",
      }} 

to

   style={{
        "--sidebar-width": "24rem",
        "--sidebar-width-mobile": "24rem",
      } as React.CSSProperties}

Codesandbox/StackBlitz link

No response

Logs

System Info

https://ui.shadcn.com/docs/components/radix/sidebar

Before submitting

• I've made research efforts and searched the documentation
• I've searched for existing issues

[shadcn]

Fixed.