Bump ch.qos.logback:logback-classic from 1.5.19 to 1.5.20

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.5.19 to 1.5.20.
- [Release notes](https://github.com/qos-ch/logback/releases)
- [Commits](qos-ch/logback@v_1.5.19...v_1.5.20)

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-classic
  dependency-version: 1.5.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -13,7 +13,7 @@
         <java.version>1.8</java.version>
         <perf-test.version>2.19.0</perf-test.version>
         <spring-boot-maven-plugin.version>3.5.6</spring-boot-maven-plugin.version>
-        <logback.version>1.5.19</logback.version>
+        <logback.version>1.5.20</logback.version>
         <junit.jupiter.version>6.0.0</junit.jupiter.version>
         <maven-compiler-plugin.version>3.14.1</maven-compiler-plugin.version>
         <maven-surefire-plugin.version>3.5.4</maven-surefire-plugin.version>