Update dependency androidx.test.ext:junit to v1.2.0

Author: renovate[bot]

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ geckoview = "125.0.20240425211020"
 kotlin = "2.0.0"
 core-ktx = "1.13.1"
 junit5-bom = "5.10.0"
-androidx-test-ext-junit = "1.1.5"
+androidx-test-ext-junit = "1.2.0"
 espresso-core = "3.5.1"
 lifecycle-runtime-ktx = "2.8.1"
 activity-compose = "1.9.0"