CHANGELOG.md: add change

Author: estroz

CHANGELOG.md

@@ -8,6 +8,7 @@
 
 - Replace usage of `github.com/operator-framework/operator-sdk/pkg/restmapper.DynamicRESTMapper` with `sigs.k8s.io/controller-runtime/pkg/client/apiutil.DynamicRESTMapper`. ([#2309](https://github.com/operator-framework/operator-sdk/pull/2309))
 - Upgraded Helm operator packages and base image from Helm v2 to Helm v3. Cluster state for pre-existing CRs using Helm v2-based operators will be automatically migrated to Helm v3's new release storage format, and existing releases may be upgraded due to changes in Helm v3's label injection. ([#2080](https://github.com/operator-framework/operator-sdk/pull/2080))
+- Fail `operator-sdk olm-catalog gen-csv` if it is not run from a project's root, which the command already assumes is the case. ([#2322](https://github.com/operator-framework/operator-sdk/pull/2322))
 
 ### Deprecated