v13.0.0

⚠ BREAKING CHANGES

• The ngsscbuild builder has been refactored extensively.
  This breaking change will only affect you, if you used the internals of this library.
• Switch to Ivy and the new Angular Package Format.

Features

• enable VariableDetector to also detect index access usages (702dac3)
• implement experimental builders for build (browser) and server (dev-browser) targets (5b5c022)
• update to Angular 13 (df5949f)

Bug Fixes

• deprecate NG_ENV variant (501ee6c)