refactor: use strings.builder

[keeghcet]

Closes #???

Description

The modernize has added an analyzer for using strings.Builder for string construction. strings.Builder has fewer memory allocations and better performance.

More info: golang/go#75190

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For contributor use:

• Targeted PR against master branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work
• Code follows the standards mentioned here
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[Copilot]

Pull Request Overview

This PR refactors string concatenation in the Oneliner() method to use strings.Builder instead of simple string concatenation for better performance and reduced memory allocations.

• Replaces string concatenation with strings.Builder for improved performance
• Updates all string append operations to use WriteString() method
• Adds necessary import for the strings package

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[chasefleming]

Thanks for improving this!

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
internal/events/events.go	0.00%	6 Missing ⚠️

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