Update changelog with new --stake-address option

Author: newhoggy

cardano-cli/ChangeLog.md

@@ -12,6 +12,13 @@
 
 - Allow assembling transactions with no witnesses ([PR 4408](https://github.com/input-output-hk/cardano-node/pull/4408))
 
+- Add `--stake-address` option to the following CLI commands ([PR 3404](https://github.com/input-output-hk/cardano-node/pull/3404)):
+  - address build
+  - stake-address build
+  - stake-address registration-certificate
+  - stake-address delegation-certificate
+  - stake-address deregistration-certificate
+
 ### Bugs
 
 - Allow reading signing keys from a pipe ([PR 4342](https://github.com/input-output-hk/cardano-node/pull/4342))