changelog update

Author: ajohns

CHANGELOG.md

@@ -1,5 +1,16 @@
 # Change Log
 
+## 2.89.1 (2021-06-02)
+[Source](https://github.com/nerdvegas/rez/tree/2.89.1) | [Diff](https://github.com/nerdvegas/rez/compare/2.89.0...2.89.1)
+
+**Merged pull requests:**
+
+- disable memcache when ignoring hidden pkgs [\#1090](https://github.com/nerdvegas/rez/pull/1090) ([nerdvegas](https://github.com/nerdvegas))
+
+**Closed issues:**
+
+- rez-rm --ignored-since faulty in combo with memcached enabled [\#1089](https://github.com/nerdvegas/rez/issues/1089)
+
 ## 2.89.0 (2021-06-01)
 [Source](https://github.com/nerdvegas/rez/tree/2.89.0) | [Diff](https://github.com/nerdvegas/rez/compare/2.88.4...2.89.0)