Add --disable-triggers flag to database write commands

[tohhsinpei]

Description

b/233759622

API Proposal: go/fbi-disable-triggers-api

Based on https://github.com/FirebasePrivate/firebase-tools/pull/539

Sample Commands

firebase database:push /some/path --data '{"foo": "bar"}' --disable-triggers
firebase database:set /some/path --data '{"foo": "bar"}' --disable-triggers
firebase database:update /some/path --data '{"foo": "bar"}' --disable-triggers
firebase database:remove /some/path --disable-triggers

[codecov-commenter]

Codecov Report

Base: 56.13% // Head: 56.13% // Increases project coverage by +0.00% 🎉

Coverage data is based on head (bfc6687) compared to base (2b4261e).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5179   +/-   ##
=======================================
  Coverage   56.13%   56.13%           
=======================================
  Files         308      308           
  Lines       20737    20738    +1     
  Branches     4198     4198           
=======================================
+ Hits        11640    11641    +1     
  Misses       8087     8087           
  Partials     1010     1010           

Impacted Files	Coverage Δ
src/database/remove.ts	92.30% <100.00%> (ø)
src/database/removeRemote.ts	100.00% <100.00%> (ø)

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[bkendall]

Approvals: ✅ the API doc was approved, ✅ implementation of the API looks great.

I'd ask to wait on a review from your team, but everything else looks good!

[fredzqm]

LGTM, after Bryan's feedbacks are addressed