Add CHANGELOG.md

Author: ericproulx

CHANGELOG.md

@@ -22,6 +22,7 @@
 * [#2521](https://github.com/ruby-grape/grape/pull/2521): Fixed typo in README - [@datpmt](https://github.com/datpmt).
 * [#2525](https://github.com/ruby-grape/grape/pull/2525): Require logger before active_support - [@ericproulx](https://github.com/ericproulx).
 * [#2524](https://github.com/ruby-grape/grape/pull/2524): Fix validators bad encoding - [@ericproulx](https://github.com/ericproulx).
+* [#2530](https://github.com/ruby-grape/grape/pull/2530): Fix endpoint's status when rescue_from without a block - [@ericproulx](https://github.com/ericproulx).
 * Your contribution here.
 
 ### 2.2.0 (2024-09-14)