fix: added conditional check for the unkey logger to reduce the number of logs (calcom#25858)

Author: ifrah-ashraf

packages/lib/rateLimit.ts

@@ -28,11 +28,16 @@ export type RateLimitHelper = {
 
 export const API_KEY_RATE_LIMIT = 30;
 
+let warned = false;
+
 export function rateLimiter() {
   const { UNKEY_ROOT_KEY } = process.env;
 
   if (!UNKEY_ROOT_KEY) {
-    log.warn("Disabled because the UNKEY_ROOT_KEY environment variable was not found.");
+    if (!warned) {
+      log.warn("Disabled because the UNKEY_ROOT_KEY environment variable was not found.");
+      warned = true;
+    }
     return () => ({ success: true, limit: 10, remaining: 999, reset: 0 } as RatelimitResponse);
   }
   const timeout = {