Separate the code for indicator monitoring

[walklown]

What is the purpose of the change

[Task] Separate the code for indicator monitoring #14016

Brief changelog

1、Refer to Spring Event Multicaster, improve Dubbo Event Multicaster, and migrate to dubbo-common package.
2、Replace the MetricsEvent that occur in Dubbo with DubboEvent and broadcast them through Dubbo Event Multicaster. Remove the dependence on dubbo-metrics and only retain the dependence on dubbo-metrics-api. Please note that dubbo-plugin and dubbo-spring-boot still retain a dependency on dubbo-metrics-default because they require some advanced capabilities.
3、Split Collector and CollectorEventListener, and convert DubboEvent into MetricsEvent in CollectorEventListener.
4、Add the dubbo-metrics-starter package to listen to DubboEvent and initialize the metrics service at the appropriate time. Merge dubbo-metrics-event and dubbo-metrics-api into dubbo-metrics-core package, and only keep necessary interfaces and annotations in dubbo-metrics-api.

Verifying this change

Submitted DubboEventTest to test dubbo Dubbo Event Multicaster.
Passed all unit tests.

[sonarcloud]

Quality Gate passed

Issues
150 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.6% Duplication on New Code

See analysis details on SonarCloud

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 38.16%. Comparing base (a12975a) to head (daf8165).
Report is 27 commits behind head on 3.3.

Additional details and impacted files

@@            Coverage Diff             @@
##              3.3   #14106      +/-   ##
==========================================
- Coverage   38.55%   38.16%   -0.39%     
==========================================
  Files        1895     1915      +20     
  Lines       79272    79546     +274     
  Branches    11528    11540      +12     
==========================================
- Hits        30560    30357     -203     
- Misses      44439    44957     +518     
+ Partials     4273     4232      -41     

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[walklown]

@songxiaosheng PTAL