Bump ch.qos.logback:logback-classic from 1.2.11 to 1.4.9

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.2.11 to 1.4.9.
- [Commits](qos-ch/logback@v_1.2.11...v_1.4.9)

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

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

pom.xml

@@ -69,7 +69,7 @@
       <dependency>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-classic</artifactId>
-        <version>1.2.11</version>
+        <version>1.4.9</version>
       </dependency>
       <dependency>
         <groupId>org.assertj</groupId>