Merge pull request #21410 from mmaslankaprv/group-logging-fix

k/group: do not log ignoring raft configuration batches

src/v/kafka/server/group_data_parser.h

@@ -16,6 +16,7 @@
 #include "kafka/server/group_metadata.h"
 #include "kafka/server/logger.h"
 #include "model/record.h"
+#include "model/record_batch_types.h"
 
 template<typename T>
 T parse_tx_batch(const model::record_batch& batch, int8_t version) {
@@ -81,6 +82,10 @@ class group_data_parser {
         if (b.header().type == model::record_batch_type::raft_data) {
             return handle_raft_data(std::move(b));
         }
+        // silently ignore raft configuration.
+        if (b.header().type == model::record_batch_type::raft_configuration) {
+            return ss::now();
+        }
         if (b.header().type == model::record_batch_type::group_prepare_tx) {
             auto data = parse_tx_batch<kafka::group_tx::offsets_metadata>(
               b, group::prepared_tx_record_version);