change: [M3-10593] - Update Self-Hosted Pendo Agent to Support data-pendo-id Attribute (linode#12828)

* Update Pendo agent script for staging and prod

* Update changelog

Author: bill-akamai

packages/manager/CHANGELOG.md

@@ -22,6 +22,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 - Support IAM/RBAC permission segmentation for BETA/LA features ([#12764](https://github.com/linode/manager/pull/12764))
 - Aggregation Function labels from Average,Minimum,Maximum to Avg,Min,Max in ACLP-Alerting service ([#12787](https://github.com/linode/manager/pull/12787))
 - Add data-pendo-id attribute to TabbedPanel for Linode Plan tab tracking ([#12806](https://github.com/linode/manager/pull/12806))
+- Update self-hosted Pendo agent script to support data-pendo-id attribute ([#12828](https://github.com/linode/manager/pull/12828))
 
 ### Fixed: