feat(bench): raise max VM queue to 16384 for juno bench node

[infrmtcs]

Summary

• Pass --max-vm-queue 16384 to the Juno node launched by the RPC bench harness so high-concurrency load profiles don't hit the default VM queue limit

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.34%. Comparing base (4c6b4d3) to head (41e6503).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4176      +/-   ##
==========================================
- Coverage   80.45%   80.34%   -0.12%     
==========================================
  Files         502      504       +2     
  Lines       38355    38419      +64     
==========================================
+ Hits        30859    30867       +8     
- Misses       7487     7543      +56     
  Partials        9        9              

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