silence sass deprecation warning for Angular 19

[surenrao]

Is your feature request related to a problem? Please describe.
We do angular upgrade once a year. Now we are getting sass deprecation warnings after updating angular 17 to angular 19. We use bootstrap so we cant fix majority of the warnings.
our builder is @angular-builders/custom-webpack

Describe the solution you'd like
Allow a way to silence sass related deprecation warnings. for example
In angular.json enable below option

"stylePreprocessorOptions": {
        "sass": {
          "silenceDeprecations": ["mixed-decls", "color-functions", "global-builtin", "import"]
        }
      }

OR

"stylePreprocessorOptions": {
        "sass": {
          quietDeps: true
        }
      }

Can look at
https://www.angulararchitects.io/en/blog/how-to-disable-the-angular-v19s-sass-compiler-deprecation-warnings/
for more context

Describe alternatives you've considered
No

Additional context
None

[5uper]

+1

[prasantht96]

+1

[4en1x]

+1