Add cargo audit to CI workflow

[ZohebShaikh]

Cargo audit will run in two case

1. periodic
2. When someone adds some dependencies

I have done a cargo update to make cargo audit pass, Can split it into a different PR if required

I have also added ignore for the dependencies that cannot be resolved now.
I have kept the options that I like from the example file, Can remove the defaults if they look noisey

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.34%. Comparing base (3d52581) to head (5fb291c).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #299   +/-   ##
=======================================
  Coverage   79.34%   79.34%           
=======================================
  Files          13       13           
  Lines        2116     2116           
=======================================
  Hits         1679     1679           
  Misses        437      437           

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