Add rule E3663 to validate lambda fn env vars

[kddejong]

Issue #, if available:

Description of changes:

• Add rule E3663 to validate lambda fn env vars

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.42%. Comparing base (33acafd) to head (16147f4).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3505   +/-   ##
=======================================
  Coverage   93.42%   93.42%           
=======================================
  Files         336      337    +1     
  Lines       11184    11202   +18     
  Branches     2328     2329    +1     
=======================================
+ Hits        10449    10466   +17     
  Misses        411      411           
- Partials      324      325    +1     

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