ci: improve codecov coverage

[lidongze0629]

What do these changes do?

Related issue number

Fixes

[github-actions[bot]]

Please check the preview of the documentation changes at https://a9a23b2b.graphscope-docs-preview.pages.dev

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 34.33%. Comparing base (4eadc2e) to head (ff2f35f). Report is 81 commits behind head on main.

Additional details and impacted files

[](https://app.codecov.io/gh/alibaba/GraphScope/pull/4251?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=alibaba) ```diff @@ Coverage Diff @@ ## main #4251 +/- ## =========================================== - Coverage 46.45% 34.33% -12.13% =========================================== Files 173 126 -47 Lines 16171 13235 -2936 =========================================== - Hits 7512 4544 -2968 - Misses 8659 8691 +32 ``` [see 162 files with indirect coverage changes](https://app.codecov.io/gh/alibaba/GraphScope/pull/4251/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=alibaba) ------ [Continue to review full report in Codecov by Sentry](https://app.codecov.io/gh/alibaba/GraphScope/pull/4251?dropdown=coverage&src=pr&el=continue&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=alibaba). > **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=alibaba) > `Δ = absolute (impact)`, `ø = not affected`, `? = missing data` > Powered by [Codecov](https://app.codecov.io/gh/alibaba/GraphScope/pull/4251?dropdown=coverage&src=pr&el=footer&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=alibaba). Last update [ee28147...ff2f35f](https://app.codecov.io/gh/alibaba/GraphScope/pull/4251?dropdown=coverage&src=pr&el=lastupdated&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=alibaba). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=alibaba).