fix(node): Make trpcMiddleware factory synchronous (#7802)

Author: Luca Forstner

packages/node/src/handlers.ts

@@ -337,7 +337,7 @@ interface TrpcMiddlewareArguments<T> {
  * Use the Sentry tRPC middleware in combination with the Sentry server integration,
  * e.g. Express Request Handlers or Next.js SDK.
  */
-export async function trpcMiddleware(options: SentryTrpcMiddlewareOptions = {}) {
+export function trpcMiddleware(options: SentryTrpcMiddlewareOptions = {}) {
   return function <T>({ path, type, next, rawInput }: TrpcMiddlewareArguments<T>): T {
     const hub = getCurrentHub();
     const clientOptions = hub.getClient()?.getOptions();