Upgrade to React Router v6 (#2919)

src/button/LinkButton.tsx

@@ -7,22 +7,22 @@ Please see LICENSE in the repository root for full details.
 
 import { type ComponentPropsWithoutRef, forwardRef } from "react";
 import { Button } from "@vector-im/compound-web";
-import { type LocationDescriptor } from "history";
 
+import type { LinkProps } from "react-router-dom";
 import { useLink } from "./Link";
 
 type Props = Omit<
   ComponentPropsWithoutRef<typeof Button<"a">>,
   "as" | "href"
-> & { to: LocationDescriptor };
+> & { to: LinkProps["to"]; state?: unknown };
 
 /**
  * A version of Compound's button component that acts as a link and integrates
  * with our router setup.
  */
 export const LinkButton = forwardRef<HTMLAnchorElement, Props>(
-  function LinkButton({ to, ...props }, ref) {
-    const [path, onClick] = useLink(to);
+  function LinkButton({ to, state, ...props }, ref) {
+    const [path, onClick] = useLink(to, state);
     return <Button as="a" ref={ref} {...props} href={path} onClick={onClick} />;
   },
 );