chore!: Adds deprecation warning and serves new chart data endpoint

[lucas-a-pelegrino]

Proposed changes (including videos or screenshots)

This PR adds a new deprecation warning for livechat:getAnalyticsChartData as well as adding a new endpoint to replace it.

Issue(s)

CTZ-53

Steps to test or reproduce

Further comments

[dionisio-bot]

Looks like this PR is not ready to merge, because of the following issues:

• This PR is missing the 'stat: QA assured' label
• This PR is targeting the wrong base branch. It should target 7.11.0, but it targets 7.10.0

Please fix the issues and try again

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[changeset-bot]

⚠️ No Changeset found

Latest commit: c8a1862

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[lucas-a-pelegrino]

Wonder if we should return a 400 with that message or an empty response like:

return API.v1.failure({
  chartLabel: null,
  dataLabels: [],
  dataPoints: [],
});

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 66.30%. Comparing base (0b5cdaf) to head (c8a1862).
⚠️ Report is 34 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #36845      +/-   ##
===========================================
+ Coverage    66.23%   66.30%   +0.07%     
===========================================
  Files         3303     3310       +7     
  Lines       111032   111356     +324     
  Branches     21048    21096      +48     
===========================================
+ Hits         73537    73837     +300     
- Misses       34811    34831      +20     
- Partials      2684     2688       +4     

Flag	Coverage Δ
unit	71.56% <50.00%> (+0.08%)	⬆️

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