Bump assertj-core from 3.18.0 to 3.18.1 (#158)

Bumps [assertj-core](https://github.com/assertj/assertj-core) from 3.18.0 to 3.18.1.
- [Release notes](https://github.com/assertj/assertj-core/releases)
- [Commits](assertj/assertj@assertj-core-3.18.0...assertj-core-3.18.1)

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

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

Author: dependabot-preview[bot]

pom.xml

@@ -18,7 +18,7 @@
     <maven.compiler.target>11</maven.compiler.target>
 
     <!-- Dependency versions -->
-    <assertj.version>3.18.0</assertj.version>
+    <assertj.version>3.18.1</assertj.version>
     <immutables.version>2.8.8</immutables.version>
     <jackson.version>2.11.3</jackson.version>
     <jmh.version>1.26</jmh.version>