Jackson在处理字符串时存在长度限制，是否可以添加配置项，供业务控制其所能解析的字符传长度？

当前遇到一个问题，是服务端返回的响应消息中，字符串长度过长，导致jackson解析失败
```
Caused by: com.fasterxml.jackson.core.exc.StreamConstraintsException: String length (20051112) exceeds the maximum length (20000000)
at com.fasterxml...core.StreamReadConstraints.validateStringLength:324
at com.fasterxml...util.ReadConstrainedTextBuffer.validateStringLength:27
at com.fasterxml...util.TextBuffer.finishCurrentSegment:939
at com.fasterxml...json.UTF8StreamJsonParser._finishString2:2584
at com.fasterxml...json.UTF8StreamJsonParser._finishAndReturnString:2560
at com.fasterxml...json.UTF8StreamJsonParser.getText:335
at com.fasterxml...jsonorg.JSONObjectDeserializer.deserialize:51
at com.fasterxml...jsonorg.JSONObjectDeserializer.deserialize:48
at com.fasterxml...jsonorg.JSONObjectDeserializer.deserialize:14
at com.fasterxml...deser.DefaultDeserializationContext.readRootValue:323
at com.fasterxml...databind.ObjectMapper._readMapAndClose:4825mas
at com.fasterxml...databind.ObjectMapper.readValue:3825
at org.apache...produce.ProduceJsonProcessor.doDecodeResponse:64
at org.apache...produce.ProduceProcessor.decodeResponse:76
at org.apache...http.DefaultHttpClientFilter.extractResponse:105
at org.apache...http.DefaultHttpClientFilter.afterReceiveResponse:139
at org.apache...http.RestClientInvocation.lambda$processResponseBody$7:251
```
20000000是jackson提供的默认值；从chassis源码中来看，并没有提供配置该长度的配置项，是否可以加一个

追蹤從 ProduceJsonProcessor.doDecodeResponse 經過 ProduceProcessor.decodeResponse 到 DefaultHttpClientFilter.extractResponse 的回應解碼流程，著重於 Jackson 的 StreamReadConstraints 對字串長度的驗證。確認可以在哪裡設定服務層級的最大字串長度，然後驗證在解碼超大型回應時會遵守已設定的限制。

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