feat: sign pushed images with cosign

[osamamagdy]

Signed-off-by: osamamagdy osamamagdy174@gmail.com

[osamamagdy]

/cc @ankitm123

[codecov]

Codecov Report

Base: 34.67% // Head: 34.67% // No change to project coverage 👍

Coverage data is based on head (c033fff) compared to base (364be76).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8441   +/-   ##
=======================================
  Coverage   34.67%   34.67%           
=======================================
  Files          11       11           
  Lines        1240     1240           
=======================================
  Hits          430      430           
  Misses        765      765           
  Partials       45       45           

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[jenkins-x-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ankitm123

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[ankitm123]

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