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] <support@github.com>

pom.xml

@@ -42,7 +42,7 @@
         <!-- lib versions -->
         <spring-boot.version>2.1.0.RELEASE</spring-boot.version>
         <springframework.version>5.1.0.RELEASE</springframework.version>
-        <logback-classic.version>1.2.3</logback-classic.version>
+        <logback-classic.version>1.2.13</logback-classic.version>
         <jmh-core.version>1.26</jmh-core.version>
         <lombok.version>1.18.12</lombok.version>