metrics: enlarge statement retry count upper limit (#16196)
metrics: enlarge statement retry count upper limit (#16196)


ngaut/tidb,XuHuaiyu/tidb,kyle-wang/tidb,kyle-wang/tidb,c4pt0r/tidb,pingcap/tidb,pingcap/tidb,EvilMcJerkface/tidb,c4pt0r/tidb,kyle-wang/tidb,c4pt0r/tidb,ngaut/tidb,pingcap/tidb,c4pt0r/tidb,coocood/tidb,coocood/tidb,kyle-wang/tidb,kyle-wang/tidb,kyle-wang/tidb,XuHuaiyu/tidb,pingcap/tidb,ngaut/tidb,ngaut/tidb,c4pt0r/tidb,ngaut/tidb,ngaut/tidb,EvilMcJerkface/tidb,c4pt0r/tidb,pingcap/tidb,pingcap/tidb