add debug echo for changed files in PR comment workflow

[Harshg999]

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• (Please fill in changes proposed in this fix)

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[github-actions]

⚠️ No unit test files modified. Please ensure that changes are properly tested. ⚠️

[github-actions]

⚠️ No unit test files modified. Please ensure that changes are properly tested. ⚠️

[github-actions]

⚠️ No unit test files modified. Please ensure that changes are properly tested. ⚠️

[github-actions]

⚠️ No unit test files modified. Please ensure that changes are properly tested. ⚠️

[github-actions]

Backend Code Coverage Report •

File	Stmts	Miss	Cover	Missing
TOTAL	53313	26124	51%

report-only-changed-files is enabled. No files were changed during this commit :)

Pytest Report

Tests	Skipped	Failures	Errors	Time
1090	107 💤	0 ❌	0 🔥	6m 3s ⏱️