Update Makefile

[khanhtc3010]

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Does this PR introduce a user-facing change?:

NONE

[pipecd-bot]

Welcome @khanhtc3010!

Thanks for your contributing. It looks like this is your first PR to this repository 🎉. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA). Please read the CLA and leave a /cla sign comment on this pull request to sign the CLA.

[khanhtc3010]

/cla sign

[pipecd-bot]

Thank you for signing the CLA. Your signing has been successfully committed.

[nghialv]

/trigger presubmits

[pipecd-bot]

@nghialv: Your requested presubmits has been scheduled in response to this comment.

[nghialv]

Just a PR to check the behavior of GH actions.
Please let me merge this.

/approve

[pipecd-bot]

This pull request is APPROVED by nghialv.

Approvers can cancel the approval by writing /approve cancel in a comment. Any additional commits also will change this pull request to be not-approved.

[pipecd-bot]

Code coverage for golang is 35.56%. This pull request does not change code coverage.