[SCB-2464] Fix spotbugs SIC_INNER_SHOULD_BE_STATIC

[hezhangjian]

No description provided.

[codecov-commenter]

Codecov Report

Merging #2800 (c1c95a2) into master (fcb35ab) will increase coverage by 0.02%.
The diff coverage is 100.00%.

❗ Current head c1c95a2 differs from pull request most recent head 1bdc819. Consider uploading reports for the commit 1bdc819 to get more accurate results

@@             Coverage Diff              @@
##             master    #2800      +/-   ##
============================================
+ Coverage     77.28%   77.30%   +0.02%     
  Complexity     1418     1418              
============================================
  Files          1616     1616              
  Lines         43324    43322       -2     
  Branches       3669     3669              
============================================
+ Hits          33483    33492       +9     
+ Misses         8303     8296       -7     
+ Partials       1538     1534       -4     

Impacted Files	Coverage Δ
...comb/registry/version/VersionRuleLatestParser.java	100.00% <ø> (ø)
...ider/springmvc/reference/CseClientHttpRequest.java	87.65% <ø> (-0.16%)	⬇️
...b/loadbalance/filter/IsolationDiscoveryFilter.java	97.40% <100.00%> (ø)
...comb/authentication/provider/AccessController.java	85.05% <100.00%> (ø)
...ecomb/provider/pojo/PojoConsumerMetaRefresher.java	75.60% <0.00%> (-2.44%)	⬇️
...mb/config/ConfigCenterConfigurationSourceImpl.java	9.78% <0.00%> (-1.09%)	⬇️
...egistry/client/http/ServiceRegistryClientImpl.java	71.04% <0.00%> (+1.14%)	⬆️
...mb/serviceregistry/client/http/RestClientUtil.java	80.55% <0.00%> (+1.85%)	⬆️
...ache/servicecomb/foundation/common/net/IpPort.java	86.66% <0.00%> (+3.33%)	⬆️
... and 2 more

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