### What changes were proposed in this pull request?
Support testing of dynamic configuration management cli.
### Why are the changes needed?
The tests of dynamic configuration management cli are disabled since dynamic conf is not enabled in unit tests, which should support testing dynamic configuration management cli.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
`TestCelebornCliCommands`.
Closes#3340 from SteNicholas/CELEBORN-1056.
Authored-by: SteNicholas <programgeek@163.com>
Signed-off-by: Wang, Fei <fwang12@ebay.com>
### What changes were proposed in this pull request?
Support http authentication for Celeborn CLI.
### Why are the changes needed?
Current CLI does not work if the authentication is enabled for master or worker.
### Does this PR introduce _any_ user-facing change?
Yes, a new option.
### How was this patch tested?
UT.
Closes#3300 from turboFei/cli_auth.
Authored-by: Wang, Fei <fwang12@ebay.com>
Signed-off-by: Wang, Fei <fwang12@ebay.com>
### What changes were proposed in this pull request?
1. remove scala binary version from the openapi-client artifactId.
2. skip openapi-client doc compile, it was missed in https://github.com/apache/celeborn/pull/2641
### Why are the changes needed?
Because the openapi-client is a pure java module.
### Does this PR introduce _any_ user-facing change?
No, it has not been released.
### How was this patch tested?
GA.
Closes#2861 from turboFei/remove_Scala.
Authored-by: Wang, Fei <fwang12@ebay.com>
Signed-off-by: mingji <fengmingxiao.fmx@alibaba-inc.com>
### What changes were proposed in this pull request?
Introducing the Celeborn CLI (based on this [CPIP](https://cwiki.apache.org/confluence/display/CELEBORN/CIP-7+Celeborn+CLI)). For the first iteration, adding support for querying the existing REST api endpoints.
After this will add a layer for external cluster manager support. Further improvements are needed such as pretty print, which can be added in subsequent PRs.
### Why are the changes needed?
see [CPIP](https://cwiki.apache.org/confluence/display/CELEBORN/CIP-7+Celeborn+CLI)
### Does this PR introduce _any_ user-facing change?
yes, new CLI tool.
### How was this patch tested?
added UTs and also tested internally.
Closes#2699 from akpatnam25/cli-CELEBORN-1572.
Lead-authored-by: Aravind Patnam <apatnam@linkedin.com>
Co-authored-by: Aravind Patnam <akpatnam25@gmail.com>
Signed-off-by: Mridul Muralidharan <mridul<at>gmail.com>
