feat(chartcuterie): Charts for Function Regression

[iamrajjoshi]

• created function to make api call to get function regression data to pass to chartcuterie
• created new acceptance test

Will test chart further once merged. The feature flag is only on for sentry orgs.

[sentaur-athena]

Looks good to me. Let's get someone more familiar with the data side of things review as well. I added @Zylphrex

[sentry[bot]]

Suspect Issues

This pull request was deployed and Sentry observed the following issues:

• ‼️ RuntimeError: Chartcuterie responded with 400: "style" must be one of [slack:discover.totalPeriod, slack:discov... /extensions/slack/event/ View Issue

_{Did you find this useful? React with a 👍 or 👎}