fix: change log_exception format

[sgoral-splunk]

Issue number:

PR Type

What kind of change does this PR introduce?

• Feature
• Bug Fix
• Refactoring (no functional or API changes)
• Documentation Update
• Maintenance (dependency updates, CI, etc.)

Summary

Changes

Currently splunk search displays error logs from log_exception method as a separate events as they are using lots of newlines chars. Idea was to reformat those logs to have everything in one event.

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Review

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Tests

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