Add json logs endpoint which works for finished execution

[olethanh]

Add a endpoint to get log from program from history, even after they have run.

Related ClickUp, GitHub or Jira tickets : ALEPH-275

Self proofreading checklist

• The new code clear, easy to read and well commented.
• New code does not duplicate the functions of builtin or popular libraries.
• An LLM was used to review the new code and look for simplifications.
• New classes and functions contain docstrings explaining what they provide.
• All new code is covered by relevant tests.
• Documentation has been updated regarding these changes.

Changes

add /control/machine/{ref}/logs.json

How to test

Use the related branch in the client ol-ALEPH-275-info-program-boot+

[codecov]

Codecov Report

Attention: Patch coverage is 90.56604% with 5 lines in your changes missing coverage. Please review.

Project coverage is 62.87%. Comparing base (7461a49) to head (b887add).

Files with missing lines	Patch %	Lines
src/aleph/vm/orchestrator/metrics.py	25.00%	3 Missing ⚠️
src/aleph/vm/orchestrator/views/operator.py	93.33%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #718      +/-   ##
==========================================
+ Coverage   62.59%   62.87%   +0.27%     
==========================================
  Files          69       69              
  Lines        6152     6201      +49     
  Branches      500      503       +3     
==========================================
+ Hits         3851     3899      +48     
+ Misses       2151     2148       -3     
- Partials      150      154       +4     

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