chore: update changelog

Author: mxmason

CHANGELOG.md

@@ -7,7 +7,18 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Prior to v1.0.0-alpha.1, logs were generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
-## [v1.0.0-alpha.6](https://github.com/netlify-labs/netlify-plugin-a11y/compare/v1.0.0-alpha.6...v1.0.0-alpha.6)
+## [v1.0.0-beta.1](https://github.com/netlify-labs/netlify-plugin-a11y/compare/v1.0.0-alpha.6...v1.0.0-beta.1)
+
+### Added
+- New input: `ignoreGuidelines`. Used to indicate the accessibility standards or guidelines that the plugin should ignoore (#76; thank-you, @amykapernick)
+
+### Changed
+- **Breaking:** Now requires Node 16.0.0.
+- Now uses Pa11y 6.2.3 and TSLib 2.4.0.
+- Internal: The source code of the app is now 100% TypeScript!
+- Internal: Many dev dependencies have been updated.
+
+## [v1.0.0-alpha.6](https://github.com/netlify-labs/netlify-plugin-a11y/compare/v1.0.0-alpha.5...v1.0.0-alpha.6)
 
 ### Changed
 - Fixes [#68](https://github.com/netlify-labs/netlify-plugin-a11y/issues/68) by only failing builds if issues are found. Thank you to [@vgautam](https://github.com/vgautam) for reporting.