Bump net.logstash.logback:logstash-logback-encoder from 8.0 to 8.1 (#35)

Bumps [net.logstash.logback:logstash-logback-encoder](https://github.com/logfellow/logstash-logback-encoder) from 8.0 to 8.1.
- [Release notes](https://github.com/logfellow/logstash-logback-encoder/releases)
- [Commits](logfellow/logstash-logback-encoder@logstash-logback-encoder-8.0...logstash-logback-encoder-8.1)

---
updated-dependencies:
- dependency-name: net.logstash.logback:logstash-logback-encoder
  dependency-version: '8.1'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -17,7 +17,7 @@
 	<properties>
 		<java.version>21</java.version>
 
-		<logstash-logback-encoder.version>8.0</logstash-logback-encoder.version>
+		<logstash-logback-encoder.version>8.1</logstash-logback-encoder.version>
 		<spring-cloud-contract-wiremock.version>4.2.1</spring-cloud-contract-wiremock.version>
 	</properties>