Update slf4j monorepo to v2.0.13

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.slf4j:slf4j-log4j12 (source)	2.0.12 -> 2.0.13
org.slf4j:slf4j-api (source, changelog)	2.0.12 -> 2.0.13

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[yegor256]

@rultor please, try to merge, since 8 checks have passed

[rultor]

@rultor please, try to merge, since 8 checks have passed

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor please, try to merge, since 8 checks have passed

@yegor256 Done! FYI, the full log is here (took me 8min)