chore(deps): bump ch.qos.logback:logback-classic from 1.5.19 to 1.5.20

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.5.19 to 1.5.20.
- [Release notes](https://github.com/qos-ch/logback/releases)
- [Commits](qos-ch/logback@v_1.5.19...v_1.5.20)

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-classic
  dependency-version: 1.5.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ kotlin-logging = "3.0.5"
 kotlinSerialization="1.9.0"
 kotlinx-coroutines = "1.10.2"
 ktor = "3.3.1"
-logback = "1.5.19"
+logback = "1.5.20"
 modelix-core = "16.2.3"
 modelix-mps-plugins = "0.12.0"
 modelix-openapi = "1.3.0"