Chore: release notes for v1.0.0-alpha.2

Author: mxmason

CHANGELOG.md

@@ -7,6 +7,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+## [v1.0.0-alpha.2](https://github.com/netlify-labs/netlify-plugin-a11y/compare/v1.0.0-alpha.1...v1.0.0-alpha.2)
+### Changed
+- `standard` input is now `wcagLevel`
+
+### Removed
+- `debugMode` input
+- `testMode` input
+
+ ### Security 
+ - Dependencies have been updated
 ## [v1.0.0-alpha.1](https://github.com/netlify-labs/netlify-plugin-a11y/compare/v1.0.0...v1.0.0-alpha.1)
 
 ### Changed