Add the WordPress Plugin Check Action

[faisal-alvi]

All Submissions:

• Does your code follow the WooCommerce Sniffs variant of WordPress coding standards?
• Have you written new tests for your changes, as applicable?
• Have you successfully run tests with your changes locally?
• Will this change require new documentation or changes to existing documentation?

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Changes proposed in this Pull Request:

Closes #278.

Steps to test the changes in this Pull Request:

Confirm the Plugin Check tests run and pass.

Changelog entry

Add - Add the WordPress Plugin Check GitHub Action.