Add changelog for whole limit trie log feature

Signed-off-by: Simon Dudley <[email protected]>

CHANGELOG.md

@@ -35,6 +35,8 @@
 - Upgrade Mockito [#6397](https://github.com/hyperledger/besu/pull/6397)
 - Upgrade `tech.pegasys.discovery:discovery` [#6414](https://github.com/hyperledger/besu/pull/6414)
 - Options to tune the max allowed time that can be spent selecting transactions during block creation are now stable [#6423](https://github.com/hyperledger/besu/pull/6423)
+- Introduce `--Xbonsai-limit-trie-logs-enabled` experimental feature which by default will only retain the latest 512 trie logs, saving about 3GB per week in database growth [#5390](https://github.com/hyperledger/besu/issues/5390)
+- Introduce `besu storage x-trie-log prune` experimental offline subcommand which will prune all redundant trie logs except the latest 512 [#6303](https://github.com/hyperledger/besu/pull/6303)
 
 ### Bug fixes
 - INTERNAL_ERROR from `eth_estimateGas` JSON/RPC calls [#6344](https://github.com/hyperledger/besu/issues/6344)