Fix dependencies

app/build.gradle

@@ -44,10 +44,9 @@ android {
 }
 
 dependencies {
-    implementation 'com.google.android.material:material:1.8.0'
+    implementation 'com.google.android.material:material:1.6.1' // wait for preference-ktx update
     implementation 'androidx.multidex:multidex:2.0.1'
     implementation 'androidx.preference:preference-ktx:1.2.0'
-    implementation 'androidx.test:core-ktx:1.5.0'
     implementation 'androidx.core:core-ktx:1.9.0'
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'com.github.judemanutd:autostarter:1.1.0'