fix: use new upstash env variable

Author: danielroe

nuxt.config.ts

@@ -30,8 +30,8 @@ export default defineNuxtConfig({
     sessionPassword: '',
     // Upstash Redis for distributed OAuth token refresh locking in production
     upstash: {
-      redisRestUrl: process.env.KV_REST_API_URL || '',
-      redisRestToken: process.env.KV_REST_API_TOKEN || '',
+      redisRestUrl: process.env.UPSTASH_KV_REST_API_URL || process.env.KV_REST_API_URL || '',
+      redisRestToken: process.env.UPSTASH_KV_REST_API_TOKEN || process.env.KV_REST_API_TOKEN || '',
     },
   },