update 3.5 changelog to cover the two bug fix related to leases revoke and checkpoint
@@ -8,6 +8,8 @@ Previous change logs can be found at [CHANGELOG-3.4](https://github.com/etcd-io/
### etcd server
- Fix [lease leak issue due to tokenProvider isn't enabled when restoring auth store from a snapshot](https://github.com/etcd-io/etcd/pull/13205).
+- Fix [the race condition between goroutine and channel on the same leases to be revoked](https://github.com/etcd-io/etcd/pull/14087).
+- Fix [lessor may continue to schedule checkpoint after stepping down leader role](https://github.com/etcd-io/etcd/pull/14087).
### Other
- [Bump golang.org/x/crypto to latest version](https://github.com/etcd-io/etcd/pull/13996) to address [CVE-2022-27191](https://github.com/advisories/GHSA-8c26-wmh5-6g9v).
