feat: Implement secret detection in log serialization

[ogabrielluiz]

Introduce secret detection during log serialization and validation, enhancing security by masking sensitive information. Add unit tests to ensure functionality and refactor the secret detection logic for better organization.

[codspeed-hq]

CodSpeed Performance Report

Merging #6724 will degrade performances by 36.18%

_{Comparing redact-api-keys-logs (0e13c78) with main (af2d77d)}

Summary

❌ 6 regressions
✅ 8 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
❌	test_build_flow	238.2 ms	280.1 ms	-14.97%
❌	test_build_flow_from_request_data	248.9 ms	289.7 ms	-14.1%
❌	test_build_flow_invalid_job_id	8 ms	12.5 ms	-36.18%
❌	test_build_flow_polling	247.3 ms	288.4 ms	-14.28%
❌	test_build_flow_start_only	232.6 ms	346.6 ms	-32.89%
❌	test_build_flow_start_with_inputs	235.1 ms	274.5 ms	-14.35%