feat: track field update

[xrutayisire]

Resolves: DT-2586: AAPrismicPM I can track an update of a field in SM

Description

From Dani message in Slack: https://prismic-team.slack.com/archives/C02L3FN3AJK/p1734610823448939?thread_ts=1734552453.615859&cid=C02L3FN3AJK

• Track when a field is updated
• Same properties as when a field is added
• Two new properties to know when a field id has been changed (previousId + idUpdated)
• Fix a typo with "Group added" instead of "Field added"
• Prevent triggering double tracking update when adding a field inside a group

TODO:

• Update Segment for Stage
• Update Segment for Prod

Checklist

• A comprehensive Linear ticket, providing sufficient context and details to facilitate the review of the PR, is linked to the PR.
• If my changes require tests, I added them.
• If my changes affect backward compatibility, it has been discussed.
• If my changes require an update to the CONTRIBUTING.md guide, I updated it.

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[jomifepe]

All looks good to me 💯