fix(deps): update dependency org.slf4j:slf4j-api to v2.0.9

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.slf4j:slf4j-api (source)	2.0.7 -> 2.0.9

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[bourgeoisor]

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-checkstyle-plugin:3.1.2:check (default-cli) on project kotlin-sb-appengine-standard: Execution default-cli of goal org.apache.maven.plugins:maven-checkstyle-plugin:3.1.2:check failed: Plugin org.apache.maven.plugins:maven-checkstyle-plugin:3.1.2 or one of its dependencies could not be resolved: Could not transfer artifact commons-beanutils:commons-beanutils:jar:1.9.4 from/to central (https://repo.maven.apache.org/maven2): /root/.m2/repository/commons-beanutils/commons-beanutils/1.9.4/commons-beanutils-1.9.4.jar.part (No such file or directory)