CI Enhancement: Github Action disk space out of use during integration test

[LindaSummer]

Search before asking

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

Motivation

Github action failed due to disk out of space. This has happened several times.

• #3261
• #3263
• https://github.com/apache/kvrocks/actions/runs/19988214254/job/57357753695?pr=3268

Solution

Maybe we need to add an option to clean up the database folder created in unit-test and integration-test if the test case is passed and set it on in our ci environment.

CC @PragmaTwice @git-hulk

Are you willing to submit a PR?

• [x] I'm willing to submit a PR!