ref(nextjs): Fix Next.js vercel-edge runtime package information (#15789)

Noticed this was "incorrect" here, for all other places it seems
correct.

Author: mydea

packages/nextjs/src/edge/index.ts

@@ -50,7 +50,7 @@ export function init(options: VercelEdgeOptions = {}): void {
     ...options,
   };
 
-  applySdkMetadata(opts, 'nextjs');
+  applySdkMetadata(opts, 'nextjs', ['nextjs', 'vercel-edge']);
 
   const client = vercelEdgeInit(opts);