[2.7] fix memory leak

[icodening]

What is the purpose of the change

fix #10219

Brief changelog

remove ThreadLocal from Hessian2ObjectInput and Hessian2ObjectOutput

[flacocobot]

flacoco flags 5 suspicious lines as the potential root cause of the test failure.

[icodening]

@AlbumenJ the pr had remove ThreadLocal to fix issue #10219, pls review

[codecov-commenter]

Codecov Report

Merging #10231 (8d5a4cf) into master (c1a76a0) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master   #10231      +/-   ##
============================================
+ Coverage     60.95%   60.98%   +0.02%     
- Complexity      448      449       +1     
============================================
  Files          1100     1100              
  Lines         44579    44511      -68     
  Branches       6493     6486       -7     
============================================
- Hits          27175    27143      -32     
+ Misses        14437    14404      -33     
+ Partials       2967     2964       -3     

Impacted Files	Coverage Δ
...common/serialize/hessian2/Hessian2ObjectInput.java	90.47% <100.00%> (-1.53%)	⬇️
...ommon/serialize/hessian2/Hessian2ObjectOutput.java	93.93% <100.00%> (-0.66%)	⬇️
...ting/zookeeper/curator/CuratorZookeeperClient.java	68.44% <0.00%> (-1.07%)	⬇️
...pache/dubbo/registry/support/AbstractRegistry.java	80.74% <0.00%> (+2.59%)	⬆️
...ubbo/registry/support/AbstractRegistryFactory.java	83.09% <0.00%> (+2.81%)	⬆️
...rg/apache/dubbo/rpc/protocol/dubbo/DubboCodec.java	74.10% <0.00%> (+3.57%)	⬆️
...n/java/org/apache/dubbo/common/utils/LFUCache.java	86.27% <0.00%> (+5.41%)	⬆️
...che/dubbo/remoting/transport/mina/MinaChannel.java	46.05% <0.00%> (+10.52%)	⬆️

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