Bump ch.qos.logback:logback-core from 1.5.5 to 1.5.6

Bumps [ch.qos.logback:logback-core](https://github.com/qos-ch/logback) from 1.5.5 to 1.5.6.
- [Commits](qos-ch/logback@v_1.5.5...v_1.5.6)

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

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

pom.xml

@@ -87,7 +87,7 @@
         <liquibase.version>4.27.0</liquibase.version>
         <logback-access.version>1.4.14</logback-access.version>
         <logback-classic.version>1.5.6</logback-classic.version>
-        <logback-core.version>1.5.5</logback-core.version>
+        <logback-core.version>1.5.6</logback-core.version>
         <logstash.version>7.4</logstash.version>
         <mongodb-driver-core.version>5.0.1</mongodb-driver-core.version>
         <mongodb-driver-reactivestreams.version>5.0.1</mongodb-driver-reactivestreams.version>