287 consider open source code scanner extensions and update codecov

[Donnie-Ice]

Added CodeQL scanning, codecov was updated externally

[rjbrown2]

This is pretty slick.
Was able to watch scan, create vulnerability issues, and close out.
Will be very helpful.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 5 lines in your changes missing coverage. Please review.

Project coverage is 83.51%. Comparing base (668efc3) to head (31bf6eb).

Files with missing lines	Patch %	Lines
src/sa/internal/sa_interface_inmemory.template.c	0.00%	5 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #290   +/-   ##
=======================================
  Coverage   83.51%   83.51%           
=======================================
  Files          39       39           
  Lines       11074    11074           
  Branches      835      835           
=======================================
  Hits         9249     9249           
  Misses       1518     1518           
  Partials      307      307           

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