Expose enterprise_id to userland handlers.

[filmaj]

Relies on the work in slackapi/deno-slack-runtime#38.

Exposes an enterprise_id property to all handlers.

[codecov]

Codecov Report

Merging #111 (20e964e) into main (cf32498) will not change coverage.
The diff coverage is n/a.

❗ Current head 20e964e differs from pull request most recent head e12860f. Consider uploading reports for the commit e12860f to get more accurate results

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[selfcontained]

Whoa nice, it's just tests, types, and the test helper.

[filmaj]

Ya, the runtime does the harder work of parsing through payloads, understanding when different fields exist in what payload, etc. That separation is kinda nice, as we can focus on exposing nicely documented and structured types for devs in this repo only.

[filmaj]

The runtime changes are now in production, merging!