[Improvement-15489][api]the vo object suffix,converted to uppercase

[silenceland]

• the naming suffix of the objects under the package dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/vo is not unified, such as AlertPluginInstanceVO and ScheduleVo, etc.
• this pr solve it, and uniformly modified to the VO suffix

Purpose of the pull request

resolve: #15489

Brief change log

These objects under package dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/vo are uniformly modified to the VO suffix

Verify this pull request

This pull request is code cleanup without any test coverage.

(or)

This pull request is already covered by existing tests, such as (please describe tests).

(or)

This change added tests and can be verified as follows:

(or)

If your pull request contain incompatible change, you should also add it to docs/docs/en/guide/upgrede/incompatible.md

[fuchanghai]

LGTM if CI pass

[codecov-commenter]

Codecov Report

Attention: 16 lines in your changes are missing coverage. Please review.

Comparison is base (64e1e67) 38.02% compared to head (2edc395) 38.02%.

❗ Current head 2edc395 differs from pull request most recent head da8f962. Consider uploading reports for the commit da8f962 to get more accurate results

Files	Patch %	Lines
...uler/api/service/impl/DataAnalysisServiceImpl.java	44.44%	5 Missing ⚠️
...heduler/api/service/impl/SchedulerServiceImpl.java	0.00%	5 Missing ⚠️
...ache/dolphinscheduler/api/vo/TaskDefinitionVO.java	0.00%	3 Missing ⚠️
...er/api/service/impl/TaskDefinitionServiceImpl.java	0.00%	1 Missing ⚠️
...org/apache/dolphinscheduler/api/vo/ScheduleVO.java	0.00%	1 Missing ⚠️
...hinscheduler/api/vo/WorkflowDefinitionCountVO.java	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##                dev   #15504   +/-   ##
=========================================
  Coverage     38.02%   38.02%           
  Complexity     4692     4692           
=========================================
  Files          1304     1304           
  Lines         44811    44811           
  Branches       4803     4803           
=========================================
  Hits          17038    17038           
  Misses        25922    25922           
  Partials       1851     1851           

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[sonarcloud]

Quality Gate failed

Failed conditions

40.4% Coverage on New Code (required ≥ 60%)

See analysis details on SonarCloud