Bump AssertJ to 3.21.0

Author: jeanbisutti

pom.xml

@@ -152,7 +152,7 @@
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
-            <version>3.19.0</version>
+            <version>3.21.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>