Bump junit from 4.12 to 4.13.1 (#2)

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] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -335,7 +335,7 @@
         <gson-version>2.8.1</gson-version>
         <threetenbp-version>1.3.5</threetenbp-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
-        <junit-version>4.12</junit-version>
+        <junit-version>4.13.1</junit-version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <javax-annotation.version>1.3.2</javax-annotation.version>
     </properties>