Changelog entry for the openssl 3.0 support

Author: anakinj

CHANGELOG.md

@@ -15,6 +15,7 @@
 - Rescue RbNaCl exception for EdDSA wrong key [#491](https://github.com/jwt/ruby-jwt/pull/491) ([@n-studio](https://github.com/n-studio)).
 - New parameter name for cases when kid is not found using JWK key loader proc [#501](https://github.com/jwt/ruby-jwt/pull/501) ([@anakinj](https://github.com/anakinj)).
 - Fix NoMethodError when a 2 segment token is missing 'alg' header [#502](https://github.com/jwt/ruby-jwt/pull/502) ([@cmrd-senya](https://github.com/cmrd-senya)).
+- Support OpenSSL >= 3.0 [#496](https://github.com/jwt/ruby-jwt/pull/496) ([@anakinj](https://github.com/anakinj)).
 - Your contribution here
 
 ## [v2.4.1](https://github.com/jwt/ruby-jwt/tree/v2.4.1) (2022-06-07)