Fix CVEs

[javier-aliaga]

This pr includes:

• Use stored cert from resources folder to avoid importing bouncy castle library just for tests
• Ci: Split unit test to its own job so we can run them in parallel and shorten all the cycle in around 5 minutes

Description

Please explain the changes you've made

Issue reference

We strive to have all PR being opened based on an issue, where the problem or feature have been discussed prior to implementation.

Please reference the issue this PR will close: #1528

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation

[javier-aliaga]

Question, how can we make the new Build/Unit tests job required?

[salaboy]

/LGTM amazing PR, we are removing tech debt!

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.70%. Comparing base (d759c53) to head (8c848ed).
⚠️ Report is 208 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1529      +/-   ##
============================================
+ Coverage     76.91%   78.70%   +1.79%     
- Complexity     1592     1924     +332     
============================================
  Files           145      237      +92     
  Lines          4843     5932    +1089     
  Branches        562      610      +48     
============================================
+ Hits           3725     4669     +944     
- Misses          821      941     +120     
- Partials        297      322      +25     

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