Bump net.logstash.logback:logstash-logback-encoder from 8.1 to 9.0

Bumps [net.logstash.logback:logstash-logback-encoder](https://github.com/logfellow/logstash-logback-encoder) from 8.1 to 9.0.
- [Release notes](https://github.com/logfellow/logstash-logback-encoder/releases)
- [Commits](logfellow/logstash-logback-encoder@logstash-logback-encoder-8.1...logstash-logback-encoder-9.0)

---
updated-dependencies:
- dependency-name: net.logstash.logback:logstash-logback-encoder
  dependency-version: '9.0'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -10,7 +10,7 @@ nexus-publish-plugin = "2.0.0"
 
 slf4j = "2.0.17"
 logback = "1.5.19"
-logstash-logback-encoder = "8.1"
+logstash-logback-encoder = "9.0"
 coroutines = "1.10.2"
 junit = "5.13.4"
 mockito = "5.20.0"