build(deps): bump ch.qos.logback:logback-classic from 1.3.15 to 1.3.16

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.3.15 to 1.3.16.
- [Release notes](https://github.com/qos-ch/logback/releases)
- [Commits](qos-ch/logback@v_1.3.15...v_1.3.16)

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-classic
  dependency-version: 1.3.16
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -39,7 +39,7 @@ dependencies {
   implementation 'org.jetbrains:annotations:26.0.2'
 
   // Logback classic 1.3.x is compatible with java 8 - only needed for tests
-  testImplementation 'ch.qos.logback:logback-classic:1.3.15'
+  testImplementation 'ch.qos.logback:logback-classic:1.3.16'
   testImplementation 'cloud.eppo:sdk-common-jvm:3.5.4:tests'
   testImplementation platform('org.junit:junit-bom:5.11.4')
   testImplementation 'org.junit.jupiter:junit-jupiter'