build: set executable bit for build-packages-dist script (#43431)
build: set executable bit for build-packages-dist script (#43431)

Sets the executable bit for the build-packages-dist script so that
the script can be invoked directly without having to explicitly
prefix it with the `node` command.

PR Close #43431

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