Bump junit from 4.11 to 4.13.1 in /libraries

Bumps [junit](https://github.com/junit-team/junit4) from 4.11 to 4.13.1.
- [Release notes](https://github.com/junit-team/junit4/releases)
- [Changelog](https://github.com/junit-team/junit4/blob/main/doc/ReleaseNotes4.11.md)
- [Commits](https://github.com/junit-team/junit4/compare/r4.11...r4.13.1)

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

libraries/pom.xml

@@ -42,7 +42,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project-root>../../..</project-root>
 
-        <junit-version>4.11</junit-version>
+        <junit-version>4.13.1</junit-version>
         <pegdown.version>1.1.0</pegdown.version>
         <surefire-version>2.16</surefire-version>
         <exec-maven-plugin.version>1.2.1</exec-maven-plugin.version>

libraries/tools/kotlin-maven-plugin-test/pom.xml

@@ -16,7 +16,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>