#### What type of PR is this?
/kind cleanup
/area core
#### What this PR does / why we need it:
This PR bumps Halo version into 2.18.0 for next development iteration.
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/area ui
/kind cleanup
#### What this PR does / why we need it:
重新生成 api client，移除无用的文件。并且此 PR 改进了生成的脚本，会在生成前删除旧的 api client 文件，保证不会遗留旧文件。
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind cleanup
/area core
#### What this PR does / why we need it:
This is a regular update after a release.
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind cleanup
/area core
#### What this PR does / why we need it:
This is a regular action after releasing a minor version.
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind cleanup
/area core
#### What this PR does / why we need it:
This PR adds support for generating API docs into project and generate API client according the API docs.
To generate/update latest API docs, execute the following command:
```bash
./gradlew clean generateOpenApiDocs
```
To generate/update latest API client, execute the following command:
```bash
make -C ui api-client-gen
```
Meanwhile, I also remove the lint on API client due to unnecessary.
Supersedes of https://github.com/halo-dev/halo/pull/5637
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind cleanup
/area core
#### What this PR does / why we need it:
Upgrade version to `2.15.0-SNAPSHOT`.
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind cleanup
/area core
#### What this PR does / why we need it:
Bump version to 2.14 to prepare for developing 2.14. This always happens after new version is released.
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/area ui
/kind improvement
/milestone 2.13.x
#### What this PR does / why we need it:
升级 Axios 依赖版本至 1.6.x
#### Does this PR introduce a user-facing change?
```release-note
升级 Axios 依赖版本至 1.6.x
```
#### What type of PR is this?
/area ui
/kind cleanup
#### What this PR does / why we need it:
Rename console to ui in some files,
Ref https://github.com/halo-dev/halo/pull/5314
#### Does this PR introduce a user-facing change?
```release-note
None
```
John Niang