chore: deprecate circle ci

[miguelpeixe]

All Submissions:

• Have you followed the Newspack Contributing guideline?
• Does your code follow the WordPress' coding standards and VIP Go coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

Migrates the repository workflows to GitHub Actions, as implemented in Automattic/newspack-scripts#225.

The actions and package.json are referencing a newspack-scripts branch or commit. This should be removed to reference the default branch and latest version before merging.

How to test the changes in this Pull Request:

1. Inspect and confirm that all actions are passing correctly
2. Confirm this release asset can be installed
3. Confirm that 5d6feec triggered a successful i18n action (8ca1fab)

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully ran tests with your changes locally?

[github-actions]

🎉 This PR is included in version 6.30.0-hotfix-test-gh-action-release-workflow.1 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀

[github-actions]

🎉 This PR is included in version 6.30.0-hotfix-test-gh-action-release-workflow.1 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀

[github-actions]

🎉 This PR is included in version 6.30.0-hotfix-test-gh-action-release-workflow.1 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀

[github-actions]

🎉 This PR is included in version 6.30.0-hotfix-test-gh-action-release-workflow.1 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀

[github-actions]

🎉 This PR is included in version 6.30.0-hotfix-test-gh-action-release-workflow.1 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀

[github-actions]

🎉 This PR is included in version 6.30.0-hotfix-test-gh-action-release-workflow.1 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀

[github-actions]

🎉 This PR is included in version 6.30.0-hotfix-test-gh-action-release-workflow.1 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀

[github-actions]

🎉 This PR is included in version 6.30.0-hotfix-test-gh-action-release-workflow.1 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀

[github-actions]

🎉 This PR is included in version 6.30.0-hotfix-test-gh-action-release-workflow.1 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀

[github-actions]

Hey @miguelpeixe, good job getting this PR merged! 🎉

Now, the needs-changelog label has been added to it.

Please check if this PR needs to be included in the "Upcoming Changes" and "Release Notes" doc. If it doesn't, simply remove the label.

If it does, please add an entry to our shared document, with screenshots and testing instructions if applicable, then remove the label.

Thank you! ❤️