* Feature/travis ci to GitHub actions (#282)
* Updates Composer/NPM Dependencies & Adds New GitHub Actions
* Moves All CI/CI Functionality to GitHub Actions
- Updates Composer & NPM dependencies to newer versions.
- Updates default development environment WordPress version to 5.6.x.
- Fixes missing updated to the language POT file.
- Moves to using a GitHub Release for WordPress.org deployment.
- Removes TravisCI configuration.
* Fixes Login Page XSS Issue (#283)
- Adds escaping to the errot output message.
- Adds escaping to the login button output.
* Fixes Broken Redirect URL Handling & Moves Away from Cookies (#289)
* Initial Changes to Move Away from Cookies for Redirects
* Add Redirection via State Transient Support
- Adds adding the login redirection to the state transient.
- Deprecates the use of cookies to handle login redirection.
- Fixes Login button shortcode authentication URL encoding.
- Fixes some broken wp-env local Docker environment issues.
- Fixes make_authentication_url attributes usage.
- Removes error_log calls used for debugging.
* Fixes Missed WordPress Coding Standards Issues
- Updates PHP_CodeSniffer configuration to properly support all checks.
* Fixes Login Button Output for Proper Escaping
* Preparation for Maintenance Release