Bump ch.qos.logback:logback-classic from 1.2.3 to 1.2.13

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.2.3 to 1.2.13.
- [Commits](qos-ch/logback@v_1.2.3...v_1.2.13)

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

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

pom.xml

@@ -49,7 +49,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <project.copyrightYear>2019</project.copyrightYear>
-    <logback.version>1.2.3</logback.version>
+    <logback.version>1.2.13</logback.version>
     <mockito.version>2.28.2</mockito.version>
     <github.global.server>github</github.global.server>
     <slf4j.version>1.7.26</slf4j.version>