Update slf4j to v2 (major)

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.slf4j:slf4j-simple (source)	1.7.36 -> 2.0.2
org.slf4j:slf4j-jdk14 (source)	1.7.36 -> 2.0.2
org.slf4j:slf4j-api (source)	1.7.36 -> 2.0.2

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