update build.yaml of cicd func

[houwenchen]

Pull Request template

Please, go through these steps before you submit a PR.

Why is this PR required? What issue does it fix?: https://github.com/openebs/lvm-localpv/issues/239

What this PR does?: add create cover result file func for codecov

Does this PR require any upgrade changes?:

If the changes in this PR are manually verified, list down the scenarios covered::

Any additional information for your reviewer? : Mention if this PR is part of any design or a continuation of previous PRs

Checklist:

• [ ] Fixes #
• [ ] PR Title follows the convention of <type>(<scope>): <subject>
• [ ] Has the change log section been updated?
• [ ] Commit has unit tests
• [ ] Commit has integration tests
• [ ] (Optional) Are upgrade changes included in this PR? If not, mention the issue/PR to track:
• [ ] (Optional) If documentation changes are required, which issue on https://github.com/openebs/openebs-docs is used to track them:

PLEASE REMOVE BELOW INFORMATION BEFORE SUBMITTING

The PR title message must follow convention: <type>(<scope>): <subject>.

Where:

• type is defining if release will be triggering after merging submitted changes, details in CONTRIBUTING.md. Most common types are:

  • feat - for new features, not a new feature for build script
  • fix - for bug fixes or improvements, not a fix for build script
  • chore - changes not related to production code
  • docs - changes related to documentation
  • style - formatting, missing semi colons, linting fix etc; no significant production code changes
  • test - adding missing tests, refactoring tests; no production code change
  • refactor - refactoring production code, eg. renaming a variable or function name, there should not be any significant production code changes

• scope is a single word that best describes where the changes fit. Most common scopes are like:

  • data engine (localpv, jiva, cstor)
  • feature (provisioning, backup, restore, exporter)
  • code component (api, webhook, cast, upgrade)
  • test (tests, bdd)
  • chores (version, build, log, travis)

• subject is a single line brief description of the changes made in the pull request.