feat(config,cpu,proofs): change cpu and batching defaults

[justprosh]

Description

default_min_batch_count=5
default_max_batch_count=30
default_max_proof_batch_size=128

default_system_cpu_count=1
default_cpus_range=1-total # we always leave 1 core to OS

Checklist

• The code follows the project's coding conventions and style guidelines.
• All tests related to the changes have passed successfully.
• Documentation has been updated to reflect the changes (if applicable).
• All new and existing unit tests have passed.
• I have self-reviewed my code and ensured its quality.
• I have added/updated necessary comments to aid understanding.

Reviewer Checklist

• Code has been reviewed for quality and adherence to guidelines.
• Tests have been reviewed and are sufficient to validate the changes.
• Documentation has been reviewed and is up to date.
• Any questions or concerns have been addressed.

[folex]

Can you write some motivation for these numbers?

[justprosh]

Previous numbers had no motivation, these one are set by @mikevoronov request

[folex]

We can do better this time :)