Add wg-incr-comp repository under automation

[Kobzol]

Repo: https://github.com/rust-lang/wg-incr-comp

Extracted from GH:

org = "rust-lang"
name = "wg-incr-comp"
description = "Home repo for the compiler team incremental compilation working group"
bots = []

[access.teams]
security = "pull"
wg-incr-comp = "maintain"
compiler = "maintain"
compiler-contributors = "maintain"

[access.individuals]
BoxyUwU = "maintain"
WaffleLapkin = "maintain"
Nilstrieb = "maintain"
b-naber = "maintain"
Aaron1011 = "maintain"
TaKO8Ki = "maintain"
michaelwoerister = "maintain"
saethlin = "maintain"
nnethercote = "maintain"
chenyukang = "maintain"
badboy = "admin"
Nadrieril = "maintain"
est31 = "maintain"
matthewjasper = "maintain"
fmease = "maintain"
tmiasko = "maintain"
lqd = "maintain"
tmandry = "maintain"
RalfJung = "maintain"
fee1-dead = "maintain"
apiraino = "maintain"
pietroalbini = "admin"
rust-lang-owner = "admin"
nagisa = "maintain"
nikic = "maintain"
SparrowLii = "maintain"
petrochenkov = "maintain"
compiler-errors = "maintain"
eholk = "maintain"
nikomatsakis = "maintain"
durin42 = "maintain"
spastorino = "maintain"
pnkfelix = "maintain"
oli-obk = "maintain"
cuviper = "maintain"
eddyb = "maintain"
jdno = "admin"
the8472 = "maintain"
estebank = "maintain"
cjgillot = "maintain"
lcnr = "maintain"
rylev = "admin"
wesleywiser = "maintain"
flodiebold = "maintain"
Mark-Simulacrum = "admin"
bjorn3 = "maintain"
jackh726 = "maintain"
davidtwco = "maintain"