feat(logger): Emit a warning on buffer flush

[ConnorKirk]

Summary

This PR adds a warning to the flushBuffer method when the buffer being flushed has had logs evicted.

Changes

• Add a new property, evictionCount to the SizedSet class. It is incremented when a log is evicted from the set.
• Update flushBuffer method to emit a warning if there any logs have been evicted from the buffer being flushed
• Add a test to verify that the warning is emitted when a buffer that contained an evicted log is flushed.

Things to note:

1. Rather than track the presence/absence of an eviction, I thought it might be useful to track the count. It's trivial to swap back if you prefer. This is a slight deviation from the design. Might it be useful to see "100 logs have been evicted" rather than just "Logs have been evicted"?
2. Each trace(/buffer) may or may not have evicted logs. Rather than storing a boolean on the CircularMap, I think it would be more accurate to store whether each buffer has had an eviction. I chose to add this to the SizedSet class, but another Map on the CircularMap mapping traceId to eviction status could also work.

Please add the issue number below, if no issue is present the PR might get blocked and not be reviewed

Issue number: #3625

---

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

Disclaimer: We value your time and bandwidth. As such, any pull requests created on non-triaged issues might not be successful.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[dreamorosi]

Thank you for this PR!

Feel free to go on the issue list and leave a comment under the next one, so I can assign it to you.

Well done!