chore: Update CHANGELOG.md

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CHANGELOG.md

@@ -7,6 +7,9 @@
 
 * `datasource/cloudavenue_edgegateway_app_port_profile` - Fixed the issue where the `cloudavenue_edgegateway_app_port_profile` datasource was not returning the correct value App Port Profile ID. (GH-849)
 * `resource/cloudavenue_edgegateway_firewall` - Fix `BUSY_ENTITY` error when creating or updating the resource in same time as another operation in the edge gateway. (GH-841)
+### :information_source: **Notes**
+
+* `resource/cloudavenue_publicip` - Fixed the import example in the documentation. (GH-851)
 
 ## 0.21.1 (November 25, 2024)