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

@@ -19,7 +19,7 @@ shadowjar = "9.2.2"
 guava = "33.5.0-jre"
 jupiter = "6.0.0"
 kotest = "6.0.4"
-logback = "1.5.19"
+logback = "1.5.20"
 mockk = "1.14.6"
 
 # benchmark dependencies