Test: cancel previous runs on new commit pushed

[caic99]

Reminder

• Have you linked an issue with this pull request?
• Have you noticed possible changes of behavior below or in the linked issue?
• Have you explained the changes of codes in core modules of ESolver, HSolver, ElecState, Hamilt, Operator or Psi? (ignore if not applicable)

Linked Issue

Fix #...

What's changed?

Ref: https://docs.github.com/en/actions/using-jobs/using-concurrency#example-using-concurrency-and-the-default-behavior

Any changes of core modules? (ignore if not applicable)

• Example: I have added a new virtual function in the esolver base class in order to ...

[caic99]

The functionality seems to work well:
https://github.com/deepmodeling/abacus-develop/actions/runs/7073765243

[WHUweiqingzhou]

This PR will avoid CI from same PR occupies too much resource. Thanks for your effort.