TDigest: Implement `TDIGEST.CDF` command

[LindaSummer]

Search before asking

• [x] I had searched in the issues and found no similar issues.

Motivation

Refer: https://github.com/apache/kvrocks/issues/2558 We should implement TDIGEST.CDF command.

Redis command reference: https://redis.io/docs/latest/commands/tdigest.cdf/

Solution

Depends on #2791 #2792.

Follow the implementation of #2791 for this command.

• Add cpp unit tests for it.
• Add go integration tests for it.

Are you willing to submit a PR?

• [x] I'm willing to submit a PR!

[LindaSummer]

Hi Team,

I'm working on this issue now. 😊 I plan to add more unit tests and integration tests for it.

Best Regards, Edward