Bump ch.qos.logback:logback-classic from 1.2.13 to 1.5.15

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.2.13 to 1.5.15.
- [Commits](qos-ch/logback@v_1.2.13...v_1.5.15)

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

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

pom.xml

@@ -171,7 +171,7 @@ limitations under the License.
         <jbcrypt.version>0.4</jbcrypt.version>
         <junit.version>4.13.1</junit.version>
         <kerby.version>2.0.1</kerby.version>
-        <logback.version>1.2.13</logback.version>
+        <logback.version>1.5.15</logback.version>
         <metrics.version>3.0.2</metrics.version>
         <mockito.version>3.10.0</mockito.version>
         <netty.version>4.1.101.Final</netty.version>