Sync product area labels with GH project containing all issues

[hubertdeng123]

This PR adds three main things:

1. Instead of setting up GitHub project automation to do this, eng-pipes bot will add issues to the Issues Someone Else Cares About project when GTM, support, or outside Sentry org members create issues.
2. Whenever Product Area: * label is added to an issue, it will be added to the Issues Someone Else Cares About project if it's not already there. After, the Product Area: * label will be synced with the Product Area field on the project.
3. Whenever the Product Area field changes, the corresponding Product Area: * label is added to an issue

Demo:

Screen.Recording.2023-05-24.at.10.53.05.AM.mov

[hubertdeng123]

We'll need to check to make sure the getsantry bot has appropriate permissions for GitHub projects (read and write)

[chadwhitacre]

Demo looks great. Does the product area sync go the other way? If you modify the project field does the label change? What happens if you add a second product area label? Are there race conditions?

[hubertdeng123]

The product area sync does not go the other way, as far as I could gather there doesn't seem to be anything for GitHub events for project. Link to GitHub events

In a rerouting scenario, if a second product area label is added, the first product area label is removed. The bot will also change the project field to be the product area of the second product area label. Demo below

Screen.Recording.2023-05-24.at.2.31.31.PM.mov

[chadwhitacre]

The product area sync does not go the other way, as far as I could gather there doesn't seem to be anything for GitHub events for project.

Oof, that's rough. Can we reach out to GitHub in our shared Slack channel to see if there are any workarounds besides polling? It feels like this is going to be a pretty common case and we don't want to get out of sync.

[hubertdeng123]

actually, looks like there is something I can work with:
https://docs.github.com/en/webhooks-and-events/webhooks/webhook-events-and-payloads?actionType=edited#projects_v2

Going to take some time and investigate this today

[codecov]

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[hubertdeng123]

If you modify the project field does the label change?

Now done

Screen.Recording.2023-05-26.at.12.22.03.PM.mov

Are there race conditions?

I did notice one if I switch between Product Area fields extremely fast on the project. It might be due to the delay when applying a label to the issue once a Product Area field value is set. It requires a user to change the Product Area field between different values in ~1 second or less. I played around and couldn't find a trivial fix for it, but it does seem to be something of a lesser priority to tackle given how hard it is to replicate

[chadwhitacre]

Ship it!

[chadwhitacre]

Coming here from #524 ... I'm wondering why we default to the empty string here. I doubt an App octokit loaded with an empty org would work. I think we should let an exception bubble up if payload.organization.login does not exist.