Bun.serve types disallow routes and websocket being specified together

I assume this is unintentional because:
1. Bun seems to serve the routes and websocket just fine when they're both defined (as well as the fetch for the upgrade and other non-websocket routes)
2. the `static` property that `routes` is replacing works fine alongside `websocket`

### Example of what I'm trying to do:
```ts
import index from "./index.html";
import { Elysia } from "elysia";

const app = new Elysia(); // ...

Bun.serve({
  routes: { "/": index }, // ERROR in typescript
  // static: { "/": index }, // typescript is happy with this (though it's deprecated)
  fetch: (req, server) => {
    if (!server.upgrade(req)) {
      return app.handle(req);
    }
  },
  websocket: {
    message: (ws, message) => { /* ... */ },
  },
});
```

### Relevant Bun code:
https://github.com/oven-sh/bun/blob/078318f33cdd399093560500b82f9385a9672fd8/packages/bun-types/bun.d.ts#L4495-L4512
https://github.com/oven-sh/bun/blob/078318f33cdd399093560500b82f9385a9672fd8/packages/bun-types/bun.d.ts#L4107-L4124

	function serve<T, R extends { [K in keyof R]: RouterTypes.RouteValue<K & string> }>(
	options: (
	\| (Omit<ServeOptions, "fetch"> & {
	routes: R;
	fetch?: (this: Server, request: Request, server: Server) => Response \| Promise<Response>;
	})
	\| (Omit<ServeOptions, "routes"> & {
	routes?: never;
	fetch: (this: Server, request: Request, server: Server) => Response \| Promise<Response>;
	})
	\| WebSocketServeOptions<T>
	) & {
	/**
	* @deprecated Use `routes` instead in new code. This will continue to work for awhile though.
	*/
	static?: R;
	},
	): Server;

	reload<T, R extends { [K in keyof R]: RouterTypes.RouteValue<K & string> }>(
	options: (
	\| (Omit<ServeOptions, "fetch"> & {
	routes: R;
	fetch?: (this: Server, request: Request, server: Server) => Response \| Promise<Response>;
	})
	\| (Omit<ServeOptions, "routes"> & {
	routes?: never;
	fetch: (this: Server, request: Request, server: Server) => Response \| Promise<Response>;
	})
	\| WebSocketServeOptions<T>
	) & {
	/**
	* @deprecated Use `routes` instead in new code. This will continue to work for awhile though.
	*/
	static?: R;
	},
	): Server;

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Bun.serve types disallow routes and websocket being specified together #17871

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Bun.serve types disallow routes and websocket being specified together #17871

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Example of what I'm trying to do:

Relevant Bun code:

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