clusterfuzzlite support

[jmartins-ledger]

• Fixed boilerplate fuzzer
• Added clusterfuzzlite support
• PR fuzzing for address/undefined/memory sanitizers (5 minutes)
• Batch fuzzing for address/undefined/memory sanitizers + Corpus prunning + code coverage report (5 minutes, At 12:00 PM, only on Saturday)

[xchapron-ledger]

@jmartins-ledger Thanks! I'm wondering, is there a way to factorize the 3 differents fuzz workflows? They looks very alike.
Also I'm wondering if there is a way to avoid the https://github.com/LedgerHQ/app-boilerplate-fuzz-storage repo? I'm not sure to understand how it will work to push artifacts? Is there a way these artifacts can be pushed as a branch on this repo or somethink like that?

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (5c618a7) 80.43% compared to head (50b8186) 80.43%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #87   +/-   ##
=======================================
  Coverage   80.43%   80.43%           
=======================================
  Files           3        3           
  Lines          46       46           
=======================================
  Hits           37       37           
  Misses          9        9           

Flag	Coverage Δ
unittests	80.43% <ø> (ø)

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[jmartins-ledger]

@xchapron-ledger I merged two of them into one, since they act like cron tasks. Right now there are 2 workflows, one for cron tasks and one for PR's. I removed the external repo dependency, the artifacts can be downloaded in the github action "menu". So each fuzzing campaign takes 5min.