Updated CodeQL to use latest version

[srkgupta]

Summary

Updated CodeQL to use the latest version and reduced few false positive alerts

Ticket Link

https://mattermost.atlassian.net/browse/SEC-1282

[codecov[bot]]

Codecov Report

Base: 0.00% // Head: 0.00% // No change to project coverage :thumbsup:

Coverage data is based on head (1877d8c) compared to base (12464e0). Patch has no changes to coverable lines.

Additional details and impacted files

@@          Coverage Diff           @@
##           master    #281   +/-   ##
======================================
  Coverage    0.00%   0.00%           
======================================
  Files           8       8           
  Lines         911     911           
======================================
  Misses        911     911           

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