Bump logback.version from 1.5.19 to 1.5.20

Bumps `logback.version` from 1.5.19 to 1.5.20.

Updates `ch.qos.logback:logback-core` 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)

Updates `ch.qos.logback:logback-classic` 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-core
  dependency-version: 1.5.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
- 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] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -29,7 +29,7 @@
         <spock-core.version>1.3-groovy-2.5</spock-core.version>
         <commons-lang3.version>3.19.0</commons-lang3.version>
         <slf4j-api.version>1.7.30</slf4j-api.version>
-        <logback.version>1.5.19</logback.version>
+        <logback.version>1.5.20</logback.version>
         <lombok.version>1.18.42</lombok.version>
 
         <autoVersionSubmodules>true</autoVersionSubmodules>