Bump junit from 4.12 to 4.13.2

Bumps [junit](https://github.com/junit-team/junit4) from 4.12 to 4.13.2.
- [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...r4.13.2)

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

build.gradle

@@ -21,7 +21,7 @@ dependencies {
     api group: 'com.nimbusds', name: 'nimbus-jose-jwt', version: '9.7'
 
     // Use JUnit test framework
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
 }
 
 allprojects {