Structured Logs: Add default attributes

[denrase]

#skip-changelog

📜 Description

• Sets propagationContext.traceId on log
• Adds default attributes to log

💡 Motivation and Context

Closes #5581

💚 How did you test it?

📝 Checklist

You have to check all boxes before merging:

• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• I updated the wizard if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.
• No breaking change for hybrid SDKs or communicated to hybrid SDKs.

[philipphofmann]

Thanks, LGTM

[denrase]

@philipphofmann Will merge after CI passes, now that the timeouts in tests should be fixed.