🧪 [testing improvement] Add tests for renderAuditOutput in auditFormatter

[saurabhsharma2u]

🎯 What: The testing gap addressed
Tests were added for the renderAuditOutput function in packages/cli/src/commands/auditFormatter.ts, which formatting CLI output for audits.

📊 Coverage: What scenarios are now tested

• Basic audit output formatting for a standard grade A result.
• Output formatting with issues (critical and moderate severities).
• Output formatting when the verbose flag is enabled (showing more certificate details and reverse DNS).
• Output formatting when the debug flag is enabled (showing redirect chains and response headers).
• Edge case covering certificate color formatting based on days remaining until expiry.

✨ Result: The improvement in test coverage
Increased the number of tests from 32 to 36, ensuring renderAuditOutput is fully covered for correctness and to prevent regressions.

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PR created automatically by Jules for task 10618691206301647968 started by @saurabhsharma2u

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