docs(routing): update params type to be async (v15) (vercel#73111)

## Why?

Update params type to be async (v15).

- x-ref: vercel#72070

docs/01-app/02-building-your-application/01-routing/04-linking-and-navigating.mdx

@@ -77,12 +77,21 @@ async function fetchTeam(id: string) {
   return res.json()
 }
 
-export default async function Profile({ params }: { params: { id: string } }) {
-  const team = await fetchTeam(params.id)
-  if (!team) {
+export default async function Profile({
+  params,
+}: {
+  params: Promise<{ id: string }>
+}) {
+  const id = (await params).id
+  if (!id) {
     redirect('/login')
   }
 
+  const team = await fetchTeam(id)
+  if (!team) {
+    redirect('/join')
+  }
+
   // ...
 }
 ```
@@ -97,11 +106,16 @@ async function fetchTeam(id) {
 }
 
 export default async function Profile({ params }) {
-  const team = await fetchTeam(params.id)
-  if (!team) {
+  const id = (await params).id
+  if (!id) {
     redirect('/login')
   }
 
+  const team = await fetchTeam(id)
+  if (!team) {
+    redirect('/join')
+  }
+
   // ...
 }
 ```