Release version 1.2.0 of the github-actions package

[github-actions]

Checks

• The updated version in the package.json and package-lock.json is correct.
• The changelog is correct.

Next steps

1. Approve this PR to allow the next workflow creates a new release.
2. Merge this PR after the new release is successfully created and the version tags are updated.

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2022-07-13 (1.2.0)

New Features 🎉

• Add "php-version" input to the phpcs-diff action for specifying PHP version. (Add "php-version" input to the phpcs-diff action for specifying PHP version #25)
• Add "dev" change type to branch-label GHA,. (Add "dev" change type to branch-label GHA, #28)

Bug Fixes 🐛

• Fix the JSON parse error when manually releasing the github-actions package. (Fix the JSON parse error when manually releasing the github-actions package #24)
• Fix the JSON syntax error of running phpcd-diff action when no changes are made. (Fix the JSON syntax error of running phpcd-diff action when no changes are made #27)

[github-actions]

New release has been created: github-actions 1.2.0