build: remove tsutils dependency from breaking changes script (#25854)
build: remove tsutils dependency from breaking changes script (#25854)

Reworks the breaking changes script so that it doesn't depend on `tsutils`. This is a step towards removing the package completely from our dependencies.
angular/components,angular/components,angular/components,crisbeto/material2,crisbeto/material2,crisbeto/material2,crisbeto/material2,angular/components