Bump assertj-core from 3.15.0 to 3.16.0

Bumps [assertj-core](https://github.com/joel-costigliola/assertj-core) from 3.15.0 to 3.16.0.
- [Release notes](https://github.com/joel-costigliola/assertj-core/releases)
- [Commits](assertj/assertj@assertj-core-3.15.0...assertj-core-3.16.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

pom.xml

@@ -55,7 +55,7 @@
     <properties>
         <version.jgroups>4.2.3.Final</version.jgroups>
         <version.junit>4.13</version.junit>
-        <version.assertj>3.15.0</version.assertj>
+        <version.assertj>3.16.0</version.assertj>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>