chore: remove redundant dependency on `@nestjs/schematics`

[micalevisk]

as per PR https://github.com/nestjs/schematics/pull/1542

after this, the dep graph looks like this:

$  npm ls @nestjs/schematics
nest-typescript-starter@1.0.0 /tmp/typescript-starter
└─┬ @nestjs/cli@10.1.18
  └── @nestjs/schematics@10.0.2