improv(logger): Format the stack trace as an array of strings in dev mode

[ConnorKirk]

Summary

When POWERTOOLS_DEV is enabled, the stack trace will be split on newline characters to create an array. This improves readability compared to a single long string

Changes

• Update the formatError method of the default Powertools formatter. When POWERTOOLS_DEV is enabled, the stack property will be split into an array
• Add a test for this new behaviour
• Update some existing tests affected by this behaviour change

Please provide a summary of what's being changed

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

Issue number: #1362

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[dreamorosi]

Thanks for the PR - I'll merge it after tomorrow's release so it's included in the following release.

Other than that's it's approved so from your side you can consider it done.

[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