mute KqpExplain.CreateTableAs+Stats (#18161)

Author: zverevgeny

.github/config/muted_ya.txt

@@ -31,6 +31,7 @@ ydb/core/kqp/ut/query KqpAnalyze.AnalyzeTable+ColumnStore
 ydb/core/kqp/ut/query KqpAnalyze.AnalyzeTable-ColumnStore
 ydb/core/kqp/ut/query KqpStats.DeferredEffects+UseSink
 ydb/core/kqp/ut/query KqpStats.SysViewClientLost
+ydb/core/kqp/ut/query KqpExplain.CreateTableAs+Stats
 ydb/core/kqp/ut/scheme KqpOlapScheme.TenThousandColumns
 ydb/core/kqp/ut/scheme [*/*] chunk chunk
 ydb/core/kqp/ut/service [*/*] chunk chunk