change discovery_upstream discovery_handler_id

[ywj1352]

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 #4710 (81d37e0) into master (f76a287) will decrease coverage by 0.01%.
The diff coverage is 38.88%.

@@             Coverage Diff              @@
##             master    #4710      +/-   ##
============================================
- Coverage     66.26%   66.26%   -0.01%     
- Complexity     8009     8014       +5     
============================================
  Files          1111     1111              
  Lines         32182    32182              
  Branches       2907     2907              
============================================
- Hits          21326    21325       -1     
  Misses         9159     9159              
- Partials       1697     1698       +1     

Impacted Files	Coverage Δ
...tener/http/HttpLongPollingDataChangedListener.java	5.88% <0.00%> (ø)
...e/shenyu/admin/service/impl/DetailServiceImpl.java	77.55% <0.00%> (ø)
...he/shenyu/admin/service/impl/FieldServiceImpl.java	88.46% <0.00%> (ø)
.../java/org/apache/shenyu/admin/utils/HttpUtils.java	36.72% <0.00%> (ø)
...client/brpc/BrpcContextRefreshedEventListener.java	69.44% <0.00%> (ø)
...enyu/client/tars/TarsServiceBeanEventListener.java	80.68% <0.00%> (ø)
.../java/org/apache/shenyu/common/utils/MapUtils.java	37.50% <0.00%> (ø)
...henyu/plugin/brpc/spi/SharedThreadPoolFactory.java	0.00% <0.00%> (ø)
...henyu/plugin/httpclient/NettyHttpClientPlugin.java	35.71% <0.00%> (ø)
...java/org/apache/shenyu/plugin/sofa/SofaPlugin.java	82.75% <0.00%> (ø)
... and 10 more

... and 1 file with indirect coverage changes

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