Bump ch.qos.logback:logback-classic from 1.5.13 to 1.5.18

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.5.13 to 1.5.18.
- [Release notes](https://github.com/qos-ch/logback/releases)
- [Commits](qos-ch/logback@v_1.5.13...v_1.5.18)

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

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

Author: dependabot[bot]

pom.xml

@@ -34,7 +34,7 @@
     <com.io7m.jmulticlose.version>1.1.3</com.io7m.jmulticlose.version>
 
     <!-- Third-party dependencies. -->
-    <ch.qos.logback-classic.version>1.5.13</ch.qos.logback-classic.version>
+    <ch.qos.logback-classic.version>1.5.18</ch.qos.logback-classic.version>
     <org.apache.commons.lang3.version>3.17.0</org.apache.commons.lang3.version>
     <org.junit.version>5.11.4</org.junit.version>
     <org.slf4j.version>2.0.16</org.slf4j.version>