Add beforeEmailSent blocking function#1462

Draft

blidd-google wants to merge 9 commits intomasterfrom blidd.blocking-fn-email

+466-119

Commits on Aug 23, 2023

supporting recaptcha verdict for auth blocking functions
Xiaoshouzi-gh
committed

Commits on Aug 25, 2023

addressing PR feedbacks
Xiaoshouzi-gh
committed

Commits on Sep 18, 2023

Commits on Sep 20, 2023

Commits on Nov 6, 2023

add support for v1 beforeEmail trigger
blidd-google
committed

Commits on Nov 9, 2023

add unit tests for before email triggers (v1 and v2)
blidd-google
committed