add configuration processor for portal developers

[vdiskg]

What's the purpose of this PR

like #3553
offer the IDE code completion of the ldap and oidc configuration

Brief changelog

add the dependency spring-boot-configuration-processor

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• Update the CHANGES log.

[codecov-commenter]

Codecov Report

Merging #4521 (839b1c9) into master (2ab923f) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #4521      +/-   ##
============================================
- Coverage     53.46%   53.43%   -0.04%     
  Complexity     2706     2706              
============================================
  Files           491      492       +1     
  Lines         15399    15393       -6     
  Branches       1596     1595       -1     
============================================
- Hits           8233     8225       -8     
- Misses         6607     6610       +3     
+ Partials        559      558       -1     

Impacted Files	Coverage Δ
...ework/apollo/internals/RemoteConfigRepository.java	85.27% <0.00%> (-3.07%)	⬇️
...work/apollo/biz/message/ReleaseMessageScanner.java	82.89% <0.00%> (-2.64%)	⬇️
...mework/apollo/openapi/service/ConsumerService.java	58.46% <0.00%> (ø)
.../ctrip/framework/apollo/common/utils/WebUtils.java	100.00% <0.00%> (ø)
...configservice/controller/ConfigFileController.java	84.40% <0.00%> (+0.92%)	⬆️
...ervice/service/ReleaseMessageServiceWithCache.java	87.05% <0.00%> (+1.17%)	⬆️
...llo/configservice/controller/ConfigController.java	97.46% <0.00%> (+2.17%)	⬆️

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[nobodyiam]

LGTM