mention #5261 in changelog

CHANGELOG.md

@@ -109,6 +109,7 @@ BUG FIXES:
  * driver/raw_exec: Fix an issue where tasks that used an interpolated command in driver configuration would not start [[GH-4813](https://github.com/hashicorp/nomad/pull/4813)]
  * quota: Fixed a bug in Nomad enterprise where quota specifications were not being replicated to non authoritative regions correctly.
  * scheduler: Allow schedulers to handle evaluations that are created due to previous evaluation failures [[GH-4712](https://github.com/hashicorp/nomad/issues/4712)]
+ * server/api: Fixed bug when trying to route to a down node [[GH-5261](https://github.com/hashicorp/nomad/pull/5261)]
  * server/vault: Fixed bug in Vault token renewal that could panic on a malformed Vault response [[GH-4904](https://github.com/hashicorp/nomad/issues/4904)], [[GH-4937](https://github.com/hashicorp/nomad/pull/4937)]
  * template: Fix parsing of environment templates when destination path is interpolated [[GH-5253](https://github.com/hashicorp/nomad/issues/5253)]
  * ui: Fixes for viewing objects that contain dots in their names [[GH-4994](https://github.com/hashicorp/nomad/issues/4994)]