[type:feat] add springcloud cache

[moremind]

Fixes #4680

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.

[codecov-commenter]

Codecov Report

Merging #4705 (1193887) into master (846ec64) will decrease coverage by 0.07%.
The diff coverage is 23.07%.

@@             Coverage Diff              @@
##             master    #4705      +/-   ##
============================================
- Coverage     66.34%   66.28%   -0.07%     
  Complexity     8011     8011              
============================================
  Files          1109     1111       +2     
  Lines         32117    32166      +49     
  Branches       2904     2906       +2     
============================================
+ Hits          21308    21321      +13     
- Misses         9118     9151      +33     
- Partials       1691     1694       +3     

Impacted Files	Coverage Δ
...he/shenyu/plugin/base/cache/CommonHandleCache.java	77.77% <0.00%> (-9.73%)	⬇️
...ngcloud/listener/SpringCloudHeartBeatListener.java	0.00% <0.00%> (ø)
...plugin/springcloud/cache/ServiceInstanceCache.java	20.00% <20.00%> (ø)
.../org/apache/shenyu/common/config/ShenyuConfig.java	67.59% <33.33%> (-0.89%)	⬇️
...d/loadbalance/ShenyuSpringCloudServiceChooser.java	80.95% <33.33%> (-4.05%)	⬇️
...ingcloud/handler/SpringCloudPluginDataHandler.java	80.48% <40.00%> (-13.27%)	⬇️
...in/springcloud/SpringCloudPluginConfiguration.java	100.00% <100.00%> (ø)

... and 2 files with indirect coverage changes

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