SSM: Update ECS Optimized AMI's

[bblommers]

Also includes some optimized AMI's in new regions (i.e., regions we didn't support until now).

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.50%. Comparing base (b95bfe9) to head (f8d7dd2).
Report is 10 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff            @@
##           master    #8140    +/-   ##
========================================
  Coverage   94.49%   94.50%            
========================================
  Files        1150     1150            
  Lines       99025    99184   +159     
========================================
+ Hits        93571    93729   +158     
- Misses       5454     5455     +1     

Flag	Coverage Δ
servertests	28.79% <ø> (-0.03%)	⬇️
unittests	94.47% <ø> (+<0.01%)	⬆️

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