Make it more obvious that throttled queries are just warnings, not errors (#75101)

Co-authored-by: Rachel Chen <rachelchen@PL6VFX9HP4.attlocal.net>

Author: xurui-c

src/sentry/utils/snuba.py

@@ -1124,9 +1124,11 @@ def _bulk_snuba_query(snuba_requests: Sequence[SnubaRequest]) -> ResultSet:
                 ):
                     metrics.incr("snuba.client.query.throttle", tags={"referrer": referrer})
                     if random.random() < 0.01:
-                        logger.warning("Query is throttled", extra={"response.data": response.data})
+                        logger.warning(
+                            "Warning: Query is throttled", extra={"response.data": response.data}
+                        )
                         sentry_sdk.capture_message(
-                            f"Query from referrer {referrer} is throttled", level="warning"
+                            f"Warning: Query from referrer {referrer} is throttled", level="warning"
                         )
 
             if response.status != 200: