[hotfix] Suppress log for reusing sst files (#27197)

Author: Zakelly

flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/state/rocksdb/snapshot/RocksIncrementalSnapshotStrategy.java

@@ -351,7 +351,10 @@ private long uploadSnapshotFiles(
                 List<Path> miscFilePaths = new ArrayList<>(files.length);
 
                 createUploadFilePaths(files, sstFiles, sstFilePaths, miscFilePaths);
-                LOG.info("Will re-use {} SST files. {}", sstFiles.size(), sstFiles);
+                LOG.trace(
+                        "Will re-use {} SST files for incremental checkpoint: {}",
+                        sstFiles.size(),
+                        sstFiles);
 
                 final CheckpointedStateScope stateScope =
                         sharingFilesStrategy == SnapshotType.SharingFilesStrategy.NO_SHARING