Continuous Integration: Introduce a new GitHub Actions workflow to enhance our CI process, providing a reliable backup to our existing Travis CI setup.
Fixes
Fix dtslint tests: Resolve issues with dtslint that caused silent failures, ensuring smoother testing for type definitions.
Fix transformer return type: Address issues where some transformers did not return a new tree, improving the reliability of transformations.
Others
Add a GitHub CI badge: Enhance visibility of our CI status by adding a badge to the repository.
Update development dependencies: Keep our development environment up to date by updating various dependencies.