Bump ch.qos.logback:logback-core in /build/optaplanner-build-parent

Bumps [ch.qos.logback:logback-core](https://github.com/qos-ch/logback) from 1.2.9 to 1.3.15.
- [Commits](qos-ch/logback@v_1.2.9...v_1.3.15)

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-core
  dependency-type: direct:production
...

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

Author: dependabot[bot]

build/optaplanner-build-parent/pom.xml

@@ -42,7 +42,7 @@
     <version.org.drools>8.44.0.Final</version.org.drools>
 
     <!-- Normal dependency versions -->
-    <version.ch.qos.logback>1.2.9</version.ch.qos.logback>
+    <version.ch.qos.logback>1.3.15</version.ch.qos.logback>
     <version.org.apache.logging.log4j>2.20.0</version.org.apache.logging.log4j>
     <version.com.thoughtworks.xstream>1.4.20</version.com.thoughtworks.xstream>
     <version.io.quarkiverse.operatorsdk>5.1.4</version.io.quarkiverse.operatorsdk>