feat(alerting): alert teams add client insecure option

[raojinlin]

Summary

support insecure option for Teams alert

Fixes #819

Checklist

• Tested and/or added tests to validate that the changes work as intended, if applicable.
• Updated documentation in README.md, if applicable.

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.98%. Comparing base (de2d41e) to head (b3c4bbd).

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Additional details and impacted files

@@           Coverage Diff           @@
##           master     #864   +/-   ##
=======================================
  Coverage   78.98%   78.98%           
=======================================
  Files          71       71           
  Lines        4772     4772           
=======================================
  Hits         3769     3769           
  Misses        794      794           
  Partials      209      209           

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