docs: fix builder section of generated angular.json file for libs (#39888)
docs: fix builder section of generated angular.json file for libs (#39888)

Closes #39887

PR Close #39888

angular-indonesia/angular,gkalpak/angular,JiaLiPassion/angular,gkalpak/angular,manekinekko/angular,mgechev/angular,ocombe/angular,brandonroberts/angular,blesh/angular,alxhub/angular,angular-indonesia/angular,shairez/angular,IdeaBlade/angular,gnomeontherun/angular,IdeaBlade/angular,shairez/angular,angular/angular,mgechev/angular,IdeaBlade/angular,mgechev/angular,brandonroberts/angular,IdeaBlade/angular,angular/angular,manekinekko/angular,gnomeontherun/angular,alxhub/angular,blesh/angular,shairez/angular,manekinekko/angular,brandonroberts/angular,manekinekko/angular,angular-indonesia/angular,gnomeontherun/angular,ocombe/angular,ocombe/angular,angular/angular,alxhub/angular,angular/angular,manekinekko/angular,JiaLiPassion/angular,gnomeontherun/angular,JiaLiPassion/angular,ocombe/angular,blesh/angular,brandonroberts/angular,alxhub/angular,angular-indonesia/angular,manekinekko/angular,blesh/angular,brandonroberts/angular,mgechev/angular,ocombe/angular,gkalpak/angular,IdeaBlade/angular,gkalpak/angular,alxhub/angular,JiaLiPassion/angular,shairez/angular,ocombe/angular,shairez/angular,mgechev/angular,brandonroberts/angular,blesh/angular