Bump junit

Bumps [junit](https://github.com/junit-team/junit4) from 4.12 to 4.13.1. - [Release notes](https://github.com/junit-team/junit4/releases) - [Changelog](https://github.com/junit-team/junit4/blob/main/doc/ReleaseNotes4.12.md) - [Commits](junit-team/junit4@r4.12...r4.13.1) --- updated-dependencies: - dependency-name: junit:junit dependency-type: direct:development ... Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Java/E-Mail-Collector-System-Implementing-Decorator-Pattern/pom.xml

@@ -160,7 +160,7 @@
 <dependency>
 <groupId>junit</groupId>
 <artifactId>junit</artifactId>
-<version>4.12</version>
+<version>4.13.1</version>
 <scope>test</scope>
 </dependency>