chore(deps-dev): bump log4j.version from 2.17.1 to 2.20.0 (#75)

Bumps `log4j.version` from 2.17.1 to 2.20.0.

Updates `log4j-slf4j-impl` from 2.17.1 to 2.20.0
- [Release notes](https://github.com/apache/logging-log4j2/releases)
- [Changelog](https://github.com/apache/logging-log4j2/blob/2.x/CHANGELOG.adoc)
- [Commits](apache/logging-log4j2@rel/2.17.1...rel/2.20.0)

Updates `log4j-core` from 2.17.1 to 2.20.0
- [Release notes](https://github.com/apache/logging-log4j2/releases)
- [Changelog](https://github.com/apache/logging-log4j2/blob/2.x/CHANGELOG.adoc)
- [Commits](apache/logging-log4j2@rel/2.17.1...rel/2.20.0)

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-slf4j-impl
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

pom.xml

@@ -42,7 +42,7 @@
         <junit.version>5.9.2</junit.version>
         <fabric8-client.version>6.5.1</fabric8-client.version>
         <slf4j.version>1.7.32</slf4j.version>
-        <log4j.version>2.17.1</log4j.version>
+        <log4j.version>2.20.0</log4j.version>
         <mokito.version>5.2.0</mokito.version>
         <mokito.version>5.2.0</mokito.version>
         <dekorate.version>3.5.3</dekorate.version>