chore(CHANGELOG): update to v0.67.0

Author: nikku

packages/app/CHANGELOG.md

@@ -6,6 +6,11 @@ All notable changes to [wuffle](https://github.com/nikku/wuffle) are documented
 
 _**Note:** Yet to be released changes appear here._
 
+## 0.67.0
+
+* `FEAT`: add `is:approved` filter ([#251](https://github.com/nikku/wuffle/pull/251))
+* `FEAT`: add `is:reviewed` filter ([#251](https://github.com/nikku/wuffle/pull/251))
+
 ## 0.66.1
 
 * `FIX`: de-duplicate displayed warnings