fix(aurora): aurora security group CDK native syntax

[aws-rafams]

Fixes #1033

• Interface changes
• Build
• Testing

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[moltar]

I think this PR introduced a lot of unnecessary formatting changes (replaces ' with ") which makes it difficult to review.

[MichaelWalker-git]

This is weird because prime /eslint should have picked it up.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.83%. Comparing base (a904686) to head (b5eb9cc).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #1045    +/-   ##
========================================
  Coverage   94.82%   94.83%            
========================================
  Files          76       76            
  Lines       22885    22912    +27     
  Branches      366      620   +254     
========================================
+ Hits        21701    21728    +27     
  Misses       1184     1184            

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[krokoko]

LGTM, just need to test it, build is green now

[krokoko]

@aws-rafams have you had a chance to test this one ? We can merge it right after :)