Bump junit from 4.12 to 4.13.1

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)

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

Author: dependabot[bot]

emma-mitos/pom.xml

@@ -106,7 +106,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <type>jar</type>
             <scope>test</scope>
         </dependency>

pom.xml

@@ -146,7 +146,7 @@
         <scala-logging.version>2.1.2</scala-logging.version>
 
         <!-- Testing -->
-        <junit.version>4.12</junit.version>
+        <junit.version>4.13.1</junit.version>
         <scalatest.version>3.0.3</scalatest.version>
 
         <!-- Other dependencies -->