Merge pull request #27924 from vbotbuildovich/backport-pr-27921-v25.2.x-740

[v25.2.x] c/producer_state: fix missing placeholder in log line

Author: piyushredpanda

src/v/cluster/producer_state.cc

@@ -369,7 +369,8 @@ result<request_ptr> producer_state::try_emplace_request(
     if (bid.first_seq < 0 || bid.last_seq < 0) {
         vlog(
           _logger.warn,
-          "[{}] request with non idempotent batch {}, term: {}, reset: {}",
+          "[{}] request with non idempotent batch {}, term: {}, reset: {}, "
+          "request_state: {}",
           *this,
           bid,
           current_term,