[FSSDK-12248] Increase max retry time interval to 3 seconds

This change increases the maximum retry time interval from 1 second to 3 seconds
for ODP event dispatching, allowing for more robust retry behavior under load.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: jaeopt

optimizely/odp/odp_event_manager.py

@@ -164,7 +164,7 @@ def _flush_batch(self) -> None:
         self.logger.debug(f'ODP event queue: flushing batch size {batch_len}.')
         should_retry = False
         initial_retry_interval = 0.2  # 200ms
-        max_retry_interval = 1.0  # 1 second
+        max_retry_interval = 3.0  # 3 seconds
 
         for i in range(1 + self.retry_count):
             try:
@@ -178,7 +178,7 @@ def _flush_batch(self) -> None:
             if not should_retry:
                 break
             if i < self.retry_count:
-                # Exponential backoff: 200ms, 400ms, 800ms, ... capped at 1s
+                # Exponential backoff: 200ms, 400ms, 800ms, ... capped at 3s
                 delay = initial_retry_interval * (2 ** i)
                 if delay > max_retry_interval:
                     delay = max_retry_interval