Add Repo and Action to IssueEvent

[noble-varghese]

Description

The IssueEvent was missing the details of action and repository.

Issue: #3038
Related Issue: Similar issue was also reported in #768

[google-cla]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b40c811) 97.71% compared to head (9912f71) 97.71%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3040   +/-   ##
=======================================
  Coverage   97.71%   97.71%           
=======================================
  Files         152      152           
  Lines       13241    13241           
=======================================
  Hits        12939    12939           
  Misses        213      213           
  Partials       89       89           

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[gmlewis]

Thank you, @noble-varghese !
LGTM.
Merging.