Add `async-crashdump-debugging-initiative` under automation

[Kobzol]

Repo: https://github.com/rust-lang/async-crashdump-debugging-initiative

Confirmed with @mw that this is still active.

Extracted from GH:

org = "rust-lang"
name = "async-crashdump-debugging-initiative"
description = ""
bots = []

[access.teams]
initiative-async-crashdump-debugging = "maintain"
security = "pull"

[access.individuals]
jdno = "admin"
pietroalbini = "admin"
michaelwoerister = "maintain"
Mark-Simulacrum = "admin"
rust-lang-owner = "admin"
badboy = "admin"
rylev = "admin"

[rylev]

cc @michaelwoerister

[Kobzol]

Damn, I used the wrong tag :laughing: Sorry to whoever I pinged :sweat_smile: