Bump junit from 4.4 to 4.13.1

Bumps [junit](https://github.com/junit-team/junit4) from 4.4 to 4.13.1.
- [Release notes](https://github.com/junit-team/junit4/releases)
- [Changelog](https://github.com/junit-team/junit4/blob/main/doc/ReleaseNotes4.13.1.md)
- [Commits](https://github.com/junit-team/junit4/commits/r4.13.1)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

build.gradle

@@ -28,7 +28,7 @@ tasks.withType(JavaCompile) {
 }
 
 dependencies {  
-    testCompile group: 'junit', name: 'junit', version: '4.4'
+    testCompile group: 'junit', name: 'junit', version: '4.13.1'
 }
 
 test {