Upgrade SLF4J API 2.0.5 -> 2.0.6

[Picnic-Bot]

This PR contains the following updates:

Package	Type	Update	Change
org.slf4j:slf4j-api (source)	compile	patch	2.0.5 -> 2.0.6

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[Picnic-Bot]

The Java Platform team wishes you a happy festive period. Here is the suggested commit message:

Upgrade SLF4J API 2.0.5 -> 2.0.6 (#409)

See:
- https://www.slf4j.org/news.html
- https://github.com/qos-ch/slf4j/compare/v_2.0.5...v_2.0.6

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[github-actions]

Looks good. No mutations were possible for these changes.
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[github-actions]

Looks good. No mutations were possible for these changes.
Mutation testing report by Pitest. Review any surviving mutants by inspecting the line comments under Files changed.