Bump org.assertj:assertj-assertions-generator-maven-plugin

Bumps [org.assertj:assertj-assertions-generator-maven-plugin](https://github.com/joel-costigliola/assertj-assertions-generator-maven-plugin) from 2.1.0 to 2.2.0.
- [Commits](assertj/assertj-assertions-generator-maven-plugin@assertj-assertions-generator-maven-plugin-2.1.0...assertj-assertions-generator-maven-plugin-2.2.0)

---
updated-dependencies:
- dependency-name: org.assertj:assertj-assertions-generator-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

modules/simple-java-mail/pom.xml

@@ -113,7 +113,7 @@
             <plugin>
                 <groupId>org.assertj</groupId>
                 <artifactId>assertj-assertions-generator-maven-plugin</artifactId>
-                <version>2.1.0</version>
+                <version>2.2.0</version>
                 <executions>
                     <execution>
                         <goals>