ci: Auto update firebase api client

[piotradamczyk5]

Fixes #1420

Test Plan

How do we know the code works?

Every Monday morning together with dependencies update ( but on separate PR) pull request with google client library update is created.

Under the hood it use commands (python 2.7 required)

pip install google-apis-client-generator
flankScripts shell firebase updateApiJson
flankScripts shell firebase generateJavaClient

so you could test this PR locally with them

Checklist

• Fixed issues with update client
• Create Github Action to update client

[mergify]

Title does not follow the guidelines of Conventional Commits.
Please adjust title before merge and use one of following prefix:

• build - Changes that affect the build system or external dependencies (dependencies update)
• ci - Changes to our CI configuration files and scripts (basically directory .github/workflows)
• docs - Documentation only changes
• feat - A new feature
• fix - A bug fix
• chore - Changes which does not touch the code (ex. manual update of release notes). It will not generate release notes changes
• refactor - A code change that contains refactor
• style - Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
• test - Adding missing tests or correcting existing tests and also changes for our test app
• perf - A code change that improves performance (I do not think we will use it)

[github-actions]

Timestamp: 2020-12-24 11:40:24
Buildscan url for ubuntu-workflow run 442251085
https://gradle.com/s/f3ojlaozmkmf6

[adamfilipow92]

There is any difference between paths from Paths.get("", "firebase_apis").toString() and Paths.get("firebase_apis").toString()?

[piotradamczyk5]

no, there is not, fixed

[Sloox]

Are you testing the github actions on a fork?

[piotradamczyk5]

Are you testing the github actions on a fork?

Yes https://github.com/piotradamczyk5/flank/actions/runs/440668950
it fails, because I do not have custom scope token on it