Migrate some pipeline tracking events to Internal events

What does this MR do and why?

This MR migrates below tracking event to Internal events.

p_analytics_ci_cd_pipelines
p_analytics_ci_cd_lead_time
p_analytics_ci_cd_deployment_frequency

Internal event has track_event method which calls both snowplow and Redis internally.

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

How to set up and validate locally

• Go to http://localhost:3000/flightjs/Flight/-/pipelines/charts in local GDK.
• Make sure DORA metrics are enabled.
• Open network tab and Click on all the tabs one by one.

• For first three tabs (Pipelins, Frequency and Lead Time) it will call snowplow + track_event API

Related to #440704 (closed)