Bump assertj-core from 3.18.0 to 3.19.0 (#76)

Bumps [assertj-core](https://github.com/assertj/assertj-core) from 3.18.0 to 3.19.0.
- [Release notes](https://github.com/assertj/assertj-core/releases)
- [Commits](assertj/assertj@assertj-core-3.18.0...assertj-core-3.19.0)

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Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

pom.xml

@@ -27,7 +27,7 @@
           mvn dependency:tree
      -->
     <apache.log4j.version>2.13.3</apache.log4j.version>
-    <assertj.version>3.18.0</assertj.version>
+    <assertj.version>3.19.0</assertj.version>
     <immutables.version>2.8.8</immutables.version>
     <jackson.version>2.10.1</jackson.version>
     <json.unit.version>2.19.0</json.unit.version>