[DO NOT MERGE] Supernova with 6s/round, 100rounds/epoch

[sstanculeanu]

Reasoning behind the pull request

Proposed changes

Testing procedure

Pre-requisites

Based on the Contributing Guidelines the PR author and the reviewers must check the following requirements are met:

• was the PR targeted to the correct branch?
• if this is a larger feature that probably needs more than one PR, is there a feat branch created?
• if this is a feat branch merging, do all satellite projects have a proper tag inside go.mod?

[codecov]

Codecov Report

❌ Patch coverage is 86.66667% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 77.54%. Comparing base (1efa373) to head (2fca202).

Files with missing lines	Patch %	Lines
consensus/broadcast/delayedBroadcast.go	91.17%	2 Missing and 1 partial ⚠️
...hainSimulator/components/testOnlyProcessingNode.go	0.00%	3 Missing ⚠️

Additional details and impacted files

@@                      Coverage Diff                      @@
##           feat/supernova-async-exec    #7508      +/-   ##
=============================================================
+ Coverage                      77.53%   77.54%   +0.01%     
=============================================================
  Files                            882      882              
  Lines                         123716   123755      +39     
=============================================================
+ Hits                           95919    95969      +50     
+ Misses                         21439    21430       -9     
+ Partials                        6358     6356       -2     

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