Add GitHub App Support for GitHub Issues

[kmcdon83]

By submitting a PR to this repository, you agree to the terms within the Checkmarx Code of Conduct. Please see the contributing guidelines for how to create and submit a high-quality PR for this repo.

Description

Logic was missing to incorporate GitHub App authentication for GitHub Issues Integration. This PR has updated the logic to include this support.

References

Fixes #511

Testing

Testing was conducted using published GitHub App for kmcdon83/DVWA

Checklist

• I have added documentation for new/changed functionality in this PR (if applicable). If documentaiton is a Wiki Update, please indicate desired changes within PR MD Comment
• All active GitHub checks for tests, formatting, and security are passing
• The correct base branch is being used

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities (and 0 Security Hotspots to review)
0 Code Smells

0.0% Coverage
0.0% Duplication

The version of Java (1.8.0_265) you have used to run this analysis is deprecated and we will stop accepting it accepting it soon.Please update to at least Java 11.
Read more here