Describe your environment

• Operating System version: Mac OS
• firebase-admin SDK version: 8.3.0

Describe the problem

Running npm install with firebase-admin as a dependency results in the following warnings:

npm WARN @firebase/[email protected] requires a peer of @firebase/[email protected] but none is installed. You must install peer dependencies yourself.
npm WARN @firebase/[email protected] requires a peer of @firebase/[email protected] but none is installed. You must install peer dependencies yourself.
npm WARN @firebase/[email protected] requires a peer of @firebase/[email protected] but none is installed. You must install peer dependencies yourself.

I believe this is caused by this change in 8.3.0:

Downgraded the dependency on the @firebase/app package to a dev dependency.

Steps to reproduce:

Clone the functions-samples repo, navigate to the functions dir of big-ben, and run npm install [email protected]