Bump logback from 1.5.15 to 1.5.16

Bumps `logback` from 1.5.15 to 1.5.16.

Updates `ch.qos.logback:logback-classic` from 1.5.15 to 1.5.16
- [Commits](qos-ch/logback@v_1.5.15...v_1.5.16)

Updates `ch.qos.logback:logback-core` from 1.5.15 to 1.5.16
- [Commits](qos-ch/logback@v_1.5.15...v_1.5.16)

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

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ junit = "5.11.4"
 jvm = "21"
 kotlin = "2.1.0"
 kotlinJunitTools = "0.3.0"
-logback = "1.5.15"
+logback = "1.5.16"
 mockk = "1.13.14"
 plantuml = "0.3.0"
 slf4j = "2.0.16"