Add Xmlsec to our CI

[smittals2]

Issues:

2909

Description of changes:

Add xmlsec to our CI

Call-outs:

Point out areas that need special attention or support during the review process. Discuss architecture or design changes.

Testing:

How is this change tested (unit tests, fuzz tests, etc.)? Are there any testing steps to be verified by the reviewer?

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license and the ISC license.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.76%. Comparing base (5264234) to head (c71dcb5).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2333   +/-   ##
=======================================
  Coverage   78.76%   78.76%           
=======================================
  Files         620      620           
  Lines      107954   107954           
  Branches    15329    15330    +1     
=======================================
+ Hits        85028    85033    +5     
+ Misses      22270    22264    -6     
- Partials      656      657    +1     

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