Bump junit:junit from 4.12 to 4.13.2 in /frontend

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]>

Author: dependabot[bot]

frontend/app/build.gradle.kts

@@ -89,7 +89,7 @@ dependencies {
     implementation("androidx.work:work-runtime-ktx:2.9.0")
     implementation("androidx.room:room-ktx:2.6.1")
     testImplementation("junit:junit:4.13.2")
-    androidTestImplementation("junit:junit:4.12")
+    androidTestImplementation("junit:junit:4.13.2")
     androidTestImplementation("androidx.test.ext:junit:1.1.5")
     androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
     androidTestImplementation(platform("androidx.compose:compose-bom:2024.05.00"))