Update CHANGELOG.md

Signed-off-by: Abdelrahman Hedia <bodyhadia44@gmail.com>

Author: bodyhedia44

CHANGELOG.md

@@ -13,6 +13,8 @@ See [Conventional Commits](https://conventionalcommits.org) for commit guideline
 
 * bump snapshot version to 4.14.1 [#2176](https://github.com/hyperledger-web3j/web3j/pull/2176)
 * add encoding/decoding for EIP-7702 transactions [#2178](https://github.com/LFDT-web3j/web3j/pull/2178)
+* add @javax.annotation.Generated to generated java classes
+#2081
 
 ### BREAKING CHANGES