build(docs-infra): upgrade cli command docs sources to 2621e1d39 (#43238)
build(docs-infra): upgrade cli command docs sources to 2621e1d39 (#43238)

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/81ba264f9...2621e1d39):

**Modified**
- help/lint.json

PR Close #43238

gkalpak/angular,manekinekko/angular,gnomeontherun/angular,brandonroberts/angular,gnomeontherun/angular,shairez/angular,gnomeontherun/angular,brandonroberts/angular,shairez/angular,manekinekko/angular,angular/angular,ocombe/angular,shairez/angular,manekinekko/angular,angular-indonesia/angular,ocombe/angular,manekinekko/angular,brandonroberts/angular,angular/angular,brandonroberts/angular,angular/angular,angular-indonesia/angular,shairez/angular,ocombe/angular,brandonroberts/angular,brandonroberts/angular,angular-indonesia/angular,manekinekko/angular,ocombe/angular,manekinekko/angular,JiaLiPassion/angular,JiaLiPassion/angular,JiaLiPassion/angular,angular-indonesia/angular,gkalpak/angular,angular/angular,JiaLiPassion/angular,ocombe/angular,gkalpak/angular,ocombe/angular,gnomeontherun/angular,gkalpak/angular,shairez/angular