Update CHANGELOG

Author: bjarn

CHANGELOG.md

@@ -1,3 +1,17 @@
 # Changelog
 
 All notable changes to `lettermint-php` will be documented in this file.
+
+## 1.0.0 - 2025-06-14
+
+### What's Changed
+
+* chore(deps): bump dependabot/fetch-metadata from 2.3.0 to 2.4.0 by @dependabot in https://github.com/lettermint/lettermint-php/pull/1
+* feat: add route method to EmailEndpoint by @bjarn in https://github.com/lettermint/lettermint-php/pull/2
+
+### New Contributors
+
+* @dependabot made their first contribution in https://github.com/lettermint/lettermint-php/pull/1
+* @bjarn made their first contribution in https://github.com/lettermint/lettermint-php/pull/2
+
+**Full Changelog**: https://github.com/lettermint/lettermint-php/compare/0.1.1...1.0.0