Bump TypeScript in tsickle to 4.7.2
Bump TypeScript in tsickle to 4.7.2

This was accidentally reverted in https://github.com/angular/tsickle/commit/1deca9905ae27f124558ebd026e11b731b2b4cb2.

PiperOrigin-RevId: 455290993

angular/tsickle,angular/tsickle