* support spring boot3

* Update CHANGES.md

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Co-authored-by: Jason Song <[email protected]>

* feat: openapi query namespace support not fill item

* feat:
1. compatible NamespaceOpenApiService interface
2. add CHANGES.md

* feat:
1. remove @deprecated
2. add unit test

* feat: add unit test

* feat(client): Add more observability in apollo config client

* feat(client): add unit test

* refactor: rollback meaningless change

* docs: add CHANGES.md

Solve the problem of Apollo client configuration information files being lost due to server downtime or Pod restart in the Kubernetes environment. By using Kubernetes ConfigMap as a new persistent storage solution, the reliability and fault tolerance of configuration information are improved.

discussion apolloconfig/apollo#5210

* meger

* update some suggestion

* meger

* fix some test problem

* temp submit

* 0.update some suggestion.
1.MultipleConfig add order property
2.ApolloConfigChangeListener add appId property

* update coderabbitai suggestion

* update some suggestion

* update CHANGES.md. add feature description.

* Apply suggestions from code review

* Update apollo-client/src/main/java/com/ctrip/framework/apollo/spring/spi/DefaultApolloConfigRegistrarHelper.java

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Co-authored-by: Jason Song <[email protected]>

* fix(): 解决metaFreshTime和configServiceUrl的NPE以及时间格式问题

* fix(): 消除external-type在启用monitor下但又未配置时的无用日志打印

* fix(): PrometheusApolloClientMetricsExporter下错误的logger配置

* fix(): ConfigMoniotr 方法命名与API不统一问题

* fix(): 优化代码以及增加DateUtil测试类

* feat: support incremental configuration synchronization client

* code format

* add Unknown sync mode

* code format

* code format

* code format

* code format

* code format

* 更新 RemoteConfigRepository.java

Co-authored-by: Jason Song <[email protected]>

* 更新 ApolloConfig.java

Co-authored-by: Jason Song <[email protected]>

* 更新 ApolloConfig.java

Co-authored-by: Jason Song <[email protected]>

* 更新 ConfigurationChange.java

Co-authored-by: Jason Song <[email protected]>

* 更新 ConfigSyncType.java

Co-authored-by: Jason Song <[email protected]>

* 更新 ConfigSyncType.java

Co-authored-by: Jason Song <[email protected]>

* 更新 ConfigSyncType.java

Co-authored-by: Jason Song <[email protected]>

* 更新 ConfigurationChange.java

Co-authored-by: Jason Song <[email protected]>

* 更新 ConfigurationChangeType.java

Co-authored-by: Jason Song <[email protected]>

* 更新 ConfigurationChangeTypeUtils.java

Co-authored-by: Jason Song <[email protected]>

* 更新 ConfigSyncType.java

Co-authored-by: Jason Song <[email protected]>

* code format

* code format

* add UnknownSync action

* Apply suggestions from code review

---------

Co-authored-by: Jason Song <[email protected]>

## What's the purpose of this PR

fix #89

## Which issue(s) this PR fixes:
fix #89

## Brief changelog

reduce conflicts when update configmap in k8s

Follow this checklist to help us incorporate your contribution quickly and easily:

- [x] Read the [Contributing Guide](https://github.com/apolloconfig/apollo/blob/master/CONTRIBUTING.md) before making this pull request.
- [x] Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
- [x] Write necessary unit tests to verify the code.
- [x] Run `mvn clean test` to make sure this pull request doesn't break anything.
- [x] Update the [`CHANGES` log](https://github.com/apolloconfig/apollo-java/blob/master/CHANGES.md).


<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit

- **New Features**
	- Introduced a mechanism to reduce conflicts when updating ConfigMap in Kubernetes.
	- Enhanced access key secret retrieval for applications.
	- Added pod write permission controls for ConfigMap management.

- **Improvements**
	- Refined configuration utility for better property handling.
	- Improved Kubernetes resource management logic.

- **Testing**
	- Updated test suite to improve coverage of Kubernetes-related functionality.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->