Plugin Update – Parsely: Adding telemetry

Setting up telemetry infrastructure for Parse.ly using A8c tracks: https://github.com/Automattic/vip-go-mu-plugins/pull/2500

Tracking whenever the Parse.ly widget has been updated: https://github.com/Automattic/vip-go-mu-plugins/pull/2556

Tracking whenever the Parse.ly widget has been deleted: https://github.com/Automattic/vip-go-mu-plugins/pull/2547

Fix sending empty event on Parse.ly Tracks: https://github.com/Automattic/vip-go-mu-plugins/pull/2551

Detecting failed requests to the Tracks back-end: https://github.com/Automattic/vip-go-mu-plugins/pull/2550

Fixing an issue that prevented errors from being properly handled on Parse.ly Tracks: https://github.com/Automattic/vip-go-mu-plugins/pull/2548