feat(workers): separate AVM pools [fixes NET-753]

[gurinderu]

Description

Separate AVM pools for hosts and workers.

Motivation

Resource isolation.

Related Issue(s)

NET-753

Proposed Changes

• Added a VmPool storage for workers into Plumber
• Workers entity sends an event when a create/delete event happens. The plumber reacts to and creates the pool

Additional Notes

• Actors storage for the hosts/workers is separate now.
• Clippy fix applied :/
• Metrics also separated by labels
• Added hack for write_only_dir on macos

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.

[linear]

NET-753 Allocate AVM per worker

[folex]

Well done :)