[type: feat] body maxInMemorySize

[impactCn]

Make sure that:

• You have read the contribution guidelines.
• You submit test cases (unit or integration tests) that back your changes.
• Your local test passed ./mvnw clean install -Dmaven.javadoc.skip=true.

[yu199195]

@impactCn can you fix ci error?

[codecov-commenter]

Codecov Report

Merging #3640 (55e2322) into master (80b7966) will decrease coverage by 1.14%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master    #3640      +/-   ##
============================================
- Coverage     63.55%   62.41%   -1.15%     
- Complexity     5443     5922     +479     
============================================
  Files           803      903     +100     
  Lines         22524    24952    +2428     
  Branches       2035     2283     +248     
============================================
+ Hits          14316    15574    +1258     
- Misses         6899     7932    +1033     
- Partials       1309     1446     +137     

Impacted Files	Coverage Δ
...plugin/httpclient/config/HttpClientProperties.java	0.00% <0.00%> (ø)
...ugin/httpclient/HttpClientPluginConfiguration.java	46.66% <0.00%> (+22.72%)	⬆️
...ache/shenyu/plugin/httpclient/WebClientPlugin.java	52.38% <0.00%> (-47.62%)	⬇️
...in/service/impl/OperationRecordLogServiceImpl.java	33.33% <0.00%> (-46.67%)	⬇️
...che/shenyu/admin/config/DataSyncConfiguration.java	43.47% <0.00%> (-39.86%)	⬇️
...enyu/admin/service/impl/PermissionServiceImpl.java	40.50% <0.00%> (-37.28%)	⬇️
.../common/dto/convert/plugin/SofaRegisterConfig.java	36.36% <0.00%> (-30.31%)	⬇️
...admin/controller/OperationRecordLogController.java	50.00% <0.00%> (-25.00%)	⬇️
...etmq/handler/LoggingRocketMQPluginDataHandler.java	47.91% <0.00%> (-22.92%)	⬇️
...controller/ShenyuClientHttpRegistryController.java	77.77% <0.00%> (-22.23%)	⬇️
... and 244 more

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