Bump junit from 4.12 to 4.13.1 in /simple/sbt-compiler-plugin-scala-2.13

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] <[email protected]>

Author: dependabot[bot]

simple/sbt-compiler-plugin-scala-2.13/pom.xml

@@ -34,7 +34,7 @@ under the License.
         <scala.version>2.13.8</scala.version>
         <sbt.version>0.13</sbt.version>
 
-        <junit.version>4.12</junit.version>
+        <junit.version>4.13.1</junit.version>
 
         <compiler.plugin.version>3.8.0</compiler.plugin.version>
         <project-info-reports.plugin.version>3.0.0</project-info-reports.plugin.version>