Bump junit:junit from 4.13 to 4.13.2

Bumps [junit:junit](https://github.com/junit-team/junit4) from 4.13 to 4.13.2.
- [Release notes](https://github.com/junit-team/junit4/releases)
- [Changelog](https://github.com/junit-team/junit4/blob/main/doc/ReleaseNotes4.13.2.md)
- [Commits](junit-team/junit4@r4.13...r4.13.2)

---
updated-dependencies:
- dependency-name: junit:junit
  dependency-version: 4.13.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -106,7 +106,7 @@ dependencies {
     compile 'io.gsonfire:gson-fire:1.8.4'
     compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.10'
     compile 'org.threeten:threetenbp:1.4.3'
-    testCompile 'junit:junit:4.13'
+    testCompile 'junit:junit:4.13.2'
 }
 
 javadoc {