Update dependency androidx.test.ext:junit to v1.2.1

Author: renovate[bot]

app/build.gradle

@@ -51,7 +51,7 @@ android {
         implementation 'com.google.android.material:material:1.6.1'
         implementation 'androidx.constraintlayout:constraintlayout:2.1.2'
         testImplementation 'junit:junit:4.13.2'
-        androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+        androidTestImplementation 'androidx.test.ext:junit:1.2.1'
         androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
 
         // Glide