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.