build(deps): bump ch.qos.logback:logback-classic from 1.3.8 to 1.3.9

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.3.8 to 1.3.9.
- [Commits](qos-ch/logback@v_1.3.8...v_1.3.9)

---
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

@@ -233,7 +233,7 @@
       <dependency>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-classic</artifactId>
-        <version>1.3.8</version>
+        <version>1.3.9</version>
         <scope>test</scope>
       </dependency>
       <dependency>