Bump ch.qos.logback:logback-classic from 1.5.3 to 1.5.6

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.5.3 to 1.5.6.
- [Commits](qos-ch/logback@v_1.5.3...v_1.5.6)

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

Signed-off-by: dependabot[bot] <[email protected]>

gradle/libs.versions.toml

@@ -17,7 +17,7 @@ kordex = "1.8.0-SNAPSHOT"
 kotlintest = "3.4.2"
 ktor = "2.3.9"
 kx-ser = "1.6.3"
-logback = "1.5.3"
+logback = "1.5.6"
 logback-groovy = "1.14.5"
 logging = "6.0.3"
 moshi = "1.15.1"