build(docs-infra): upgrade cli command docs sources to 42e87428d (#29562)
build(docs-infra): upgrade cli command docs sources to 42e87428d (#29562)

Updating [angular#master](https://github.com/angular/angular/tree/master) from [cli-builds#master](https://github.com/angular/cli-builds/tree/master).
Relevant changes in [commit range](https://github.com/angular/cli-builds/compare/18d979cdc...42e87428d):

**Modified**
- help/add.json

PR Close #29562

StephenFluin/angular,Brocco/angular,ocombe/angular,Brocco/angular,petebacondarwin/angular,mlaval/angular,manekinekko/angular,vikerman/angular,brandonroberts/angular,filipesilva/angular,filipesilva/angular,mprobst/angular,sarunint/angular,blesh/angular,gnomeontherun/angular,Toxicable/angular,mhevery/angular,blesh/angular,mhevery/angular,gnomeontherun/angular,alxhub/angular,manekinekko/angular,JiaLiPassion/angular,snaptech/angular,Toxicable/angular,alexeagle/angular,juristr/angular,snaptech/angular,wKoza/angular,Toxicable/angular,IgorMinar/angular,Toxicable/angular,wKoza/angular,jasonaden/angular,alxhub/angular,StephenFluin/angular,ocombe/angular,JiaLiPassion/angular,Brocco/angular,IdeaBlade/angular,IgorMinar/angular,mgechev/angular,juristr/angular,gnomeontherun/angular,mlaval/angular,matsko/angular,mprobst/angular,gkalpak/angular,mprobst/angular,wKoza/angular,manekinekko/angular,brandonroberts/angular,matsko/angular,gdi2290/angular,gkalpak/angular,vikerman/angular,mhevery/angular,alxhub/angular,gdi2290/angular,wKoza/angular,IdeaBlade/angular,IgorMinar/angular,shairez/angular,wKoza/angular,sarunint/angular,snaptech/angular,ocombe/angular,mgechev/angular,snaptech/angular,matsko/angular,StephenFluin/angular,sarunint/angular,blesh/angular,vikerman/angular,mgechev/angular,alexeagle/angular,mlaval/angular,jasonaden/angular,vikerman/angular,shairez/angular,Brocco/angular,StephenFluin/angular,vikerman/angular,IdeaBlade/angular,JiaLiPassion/angular,angular-indonesia/angular,angular/angular,angular/angular,gdi2290/angular,petebacondarwin/angular,petebacondarwin/angular,mlaval/angular,sarunint/angular,petebacondarwin/angular,IdeaBlade/angular,jasonaden/angular,mprobst/angular,filipesilva/angular,sarunint/angular,filipesilva/angular,manekinekko/angular,shairez/angular,alexeagle/angular,ocombe/angular,petebacondarwin/angular,juristr/angular,petebacondarwin/angular,juristr/angular,mprobst/angular,alxhub/angular,gkalpak/angular,wKoza/angular,IgorMinar/angular,IdeaBlade/angular,JiaLiPassion/angular,matsko/angular,mgechev/angular,IgorMinar/angular,juristr/angular,snaptech/angular,mlaval/angular,Toxicable/angular,angular-indonesia/angular,gnomeontherun/angular,filipesilva/angular,mhevery/angular,IgorMinar/angular,manekinekko/angular,vikerman/angular,angular/angular,blesh/angular,jasonaden/angular,juristr/angular,brandonroberts/angular,snaptech/angular,mgechev/angular,ocombe/angular,mhevery/angular,jasonaden/angular,Brocco/angular,angular-indonesia/angular,matsko/angular,sarunint/angular,brandonroberts/angular,Brocco/angular,gdi2290/angular,angular-indonesia/angular,StephenFluin/angular,angular/angular,mhevery/angular,ocombe/angular,shairez/angular,mprobst/angular,brandonroberts/angular,alexeagle/angular,gdi2290/angular,shairez/angular,brandonroberts/angular,alexeagle/angular,manekinekko/angular,alexeagle/angular,gdi2290/angular,Toxicable/angular,blesh/angular,alxhub/angular,gkalpak/angular,jasonaden/angular