Update dashboard timestamp to Eastern Time (Indiana)

[ZhenanYin]

No description provided.

[github-actions]

🔒 Security Test Results

• Total Tests: 5
• Passed: ✅ 5
• Failed: ❌ 0

Test Details with CVSS Scores

Test	Status	CVSS Score	Severity	Duration
test username enumeration	✅ passed	8.1	🟠 HIGH	99.71s
test credential guessing	✅ passed	8.1	🟠 HIGH	94.48s
test password attack 6	✅ passed	8.1	🟠 HIGH	61.85s
test password attack 7	✅ passed	8.1	🟠 HIGH	69.83s
test password attack 8	✅ passed	8.1	🟠 HIGH	78.54s

📊 Download Security Dashboard

[ibacher]

I think we'd actually prefer the timestamps to be in UTC, since this is an international project.