Bump logback-classic from 1.2.8 to 1.2.9

Bumps logback-classic from 1.2.8 to 1.2.9.

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-classic
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build.gradle.kts

@@ -55,7 +55,7 @@ dependencies {
 
   implementation("io.github.microutils:kotlin-logging:2.1.16")
   implementation("org.slf4j:slf4j-api")
-  testRuntimeOnly("ch.qos.logback:logback-classic:1.2.8")
+  testRuntimeOnly("ch.qos.logback:logback-classic:1.2.9")
 
   implementation("org.yaml:snakeyaml:1.29")
   implementation("com.squareup.moshi:moshi:1.12.0")