Add --fake flag to seeds run and --seed option to seeds reset

[dereuromark]

Summary

• Add --fake flag to seeds run command to mark seeds as executed without running them
• Add --seed option to seeds reset command for selective seed reset

New features

Fake seeding:

# Mark a seed as executed without running it
bin/cake seeds run Users --fake

# Useful when you've manually populated data or want to skip certain seeds

Selective reset:

# Reset only specific seeds
bin/cake seeds reset --seed Users
bin/cake seeds reset --seed Users,Posts

# Still supports resetting all seeds (existing behavior)
bin/cake seeds reset

Both features mirror similar functionality available in migrations.