Bump net.logstash.logback:logstash-logback-encoder from 7.4 to 8.0

Bumps [net.logstash.logback:logstash-logback-encoder](https://github.com/logfellow/logstash-logback-encoder) from 7.4 to 8.0.
- [Release notes](https://github.com/logfellow/logstash-logback-encoder/releases)
- [Commits](logfellow/logstash-logback-encoder@logstash-logback-encoder-7.4...logstash-logback-encoder-8.0)

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

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

build.gradle.kts

@@ -24,7 +24,7 @@ repositories {
 
 val testContainersVersion = "1.19.0"
 val tokenSupportVersion = "5.0.1"
-val logstashLogbackEncoderVersion = "7.4"
+val logstashLogbackEncoderVersion = "8.0"
 val kluentVersion = "1.73"
 val inntektsmeldingKontraktVersion = "2023.09.21-02-30-3f310"
 val sykepengesoknadKafkaVersion = "2023.09.27-13.04-8327d8dd"