chore(deps): bump junit:junit from 4.12 to 4.13.2 in /app

Bumps [junit: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)

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

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

app/build.gradle

@@ -89,7 +89,7 @@ dependencies {
     unmock 'org.robolectric:android-all:7.1.0_r7-robolectric-0'
     testImplementation 'androidx.test.ext:junit:1.1.3'
     //noinspection GradleDependency
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.json:json:20190722'
     testImplementation 'org.powermock:powermock-api-mockito2:2.0.9'
     testImplementation 'org.powermock:powermock-classloading-xstream:2.0.9'
@@ -100,7 +100,7 @@ dependencies {
     androidTestImplementation 'com.squareup.okhttp:okhttp:2.7.5'
     androidTestImplementation 'androidx.test.espresso:espresso-web:3.4.0'
     //noinspection GradleDependency
-    androidTestImplementation 'junit:junit:4.12'
+    androidTestImplementation 'junit:junit:4.13.2'
 }
 
 task installAUT(type: Exec) {