- EntregaController: max:2048 -> max:20480 (2MB -> 20MB)
- UpdateUserProfileInformation: max:1024 -> max:5120 (1MB -> 5MB)
The server-level limits (nginx client_max_body_size and php.ini) were
already raised in the previous commit; these Laravel validation rules
were the remaining bottleneck blocking uploads over 2MB.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>