update dependencies

Author: hauner

gradle/libs.versions.toml

@@ -13,9 +13,9 @@ plugin-kotlin = { module = "org.jetbrains.kotlin:kotlin-gradle-plugin", version.
 plugin-checker = "org.checkerframework:checkerframework-gradle-plugin:0.6.29"
 plugin-outdated = "com.github.ben-manes:gradle-versions-plugin:0.46.0"
 
-checker = "org.checkerframework:checker:3.37.0"
+checker = "org.checkerframework:checker:3.38.0"
 checkerq = "org.checkerframework:checker-qual:3.38.0"
-slf4j = "org.slf4j:slf4j-api:2.0.7"
+slf4j = "org.slf4j:slf4j-api:2.0.9"
 logback = "ch.qos.logback:logback-classic:1.4.11"
 
 jackson-bom = "com.fasterxml.jackson:jackson-bom:2.15.2"