build(deps): bump ch.qos.logback:logback-classic from 1.5.15 to 1.5.16

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) 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
...

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

gradle/libs.versions.toml

@@ -15,7 +15,7 @@ mockito-kotlin = "5.4.0"
 biweekly = "0.6.8"
 apache-velocity-engine-core = "2.4.1"
 apache-velocity-tools-generic = "3.1"
-logback = "1.5.15"
+logback = "1.5.16"
 slf4j = "2.0.16"
 handlebars = "4.4.0"
 microsoft-playwright = "1.49.0"