chore: add jitter to retries

this will reduce the chance of hoard effect

index.js

@@ -26,7 +26,8 @@ async function fetchWithRetry(url, options = {}, retries = 3, initialDelay = 100
             return response;
         } catch (error) {
             console.warn(`Attempt ${attempt} failed. Error: ${error.message}`);
-            const delay = Math.min(2 ** attempt * initialDelay, 10000); // Limit max delay to 10 seconds
+            const jitter = Math.floor(Math.random() * 5000);
+            const delay = Math.min(2 ** attempt * initialDelay + jitter, 10000); // Limit max delay to 10 seconds
             await new Promise(resolve => setTimeout(resolve, delay));
             attempt++;
             retries--;