docs: release notes for the v11.2.1 release (#40888)
docs: release notes for the v11.2.1 release (#40888)


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