Downgrade routing warn to info

[rukai]

Since this is an expected case of normal kafka usage, we shouldnt actually warn here, instead an info level log will be sufficient.

[codspeed-hq[bot]]

CodSpeed Performance Report

Merging #1769 will improve performances by 17.62%

_{Comparing rukai:downgrade_routing_warn_to_info (f755947) with main (902273d)}

Summary

⚡ 1 improvements ✅ 38 untouched benchmarks

Benchmarks breakdown

	Benchmark	main	rukai:downgrade_routing_warn_to_info	Change
⚡	encode_system.local_result_v5_no_compression	109.4 µs	93 µs	+17.62%