feat: support Angular v12

[dianjuar]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://www.conventionalcommits.org/en/v1.0.0/
• Tests for the changes have been added (for bug fixes/features)
• Docs have been added/updated (for bug fixes/features)
• Both workspaces were tested Angular an Nx

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Chore
• Refactoring (no functional changes, no api changes)
• CI related changes
• Documentation content changes
• Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Support for AngularV12

Does this PR introduce a breaking change?

• Yes
• No

Other information

Heavily inspired on Angular Fire

[dianjuar]

@JohannesHoppe my tests are done, everything works as expected.

ngx-deploy-starter can be updated too using this as reference.