fix(react-router): remove dependency on @types/node in TypeScript declaration files (#14059)

Author: Methuselah96

.changeset/shiny-owls-glow.md

@@ -0,0 +1,5 @@
+---
+"react-router": patch
+---
+
+Remove dependency on `@types/node` in TypeScript declaration files

contributors.yml

@@ -247,6 +247,7 @@
 - mcansh
 - MeatSim
 - MenouerBetty
+- Methuselah96
 - mfijas
 - MichaelDeBoey
 - michal-antczak

packages/react-router/lib/rsc/server.rsc.ts

@@ -69,13 +69,9 @@ type ServerContext = {
   redirect?: Response;
 };
 
-declare global {
-  var ___reactRouterServerStorage___:
-    | AsyncLocalStorage<ServerContext>
-    | undefined;
-}
-
-const globalVar = typeof globalThis !== "undefined" ? globalThis : global;
+const globalVar = (typeof globalThis !== "undefined" ? globalThis : global) as {
+  ___reactRouterServerStorage___?: AsyncLocalStorage<ServerContext>;
+};
 
 const ServerStorage = (globalVar.___reactRouterServerStorage___ ??=
   new AsyncLocalStorage<ServerContext>());