Bump assertj-core from 3.13.2 to 3.14.0

Bumps [assertj-core](https://github.com/joel-costigliola/assertj-core) from 3.13.2 to 3.14.0.
- [Release notes](https://github.com/joel-costigliola/assertj-core/releases)
- [Commits](assertj/assertj@assertj-core-3.13.2...assertj-core-3.14.0)

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

pom.xml

@@ -52,7 +52,7 @@
 
         <!--Test-->
         <junit.version>4.12</junit.version>
-        <assertj.version>3.13.2</assertj.version>
+        <assertj.version>3.14.0</assertj.version>
         <testcontainers.version>1.12.2</testcontainers.version>
 
         <maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>