[FAB-17116] Add orderer config change to release note
[FAB-17116] Add orderer config change to release note

Add the notes to indicate the change in orderer config:

* general.genesismethod -> general.bootstrapmethod
* general.genesisfile -> general.bootstrapfile

Change-Id: I60266f221a2059e93a067b44666ec65f404df508
Signed-off-by: Baohua Yang <5bc31280484b9c79106a6d9231808aa17e44098d@oracle.com>
Signed-off-by: Baohua Yang <3c1728ff36d27dfd99f7c17cb4c2fbaf35fbcddf@gmail.com>

jimthematrix/fabric,binhn/fabric,manish-sethi/fabric-sidedb,binhn/fabric,stemlending/fabric,stemlending/fabric,stemlending/fabric,muralisrini/fabric,hyperledger/fabric,manish-sethi/fabric-sidedb,binhn/fabric,manish-sethi/fabric-sidedb,hyperledger/fabric,manish-sethi/fabric-sidedb,stemlending/fabric,muralisrini/fabric,muralisrini/fabric,manish-sethi/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,manish-sethi/fabric,jimthematrix/fabric