Add ExperimentalRoborazziApi in ScreenshotHelper.kt

core/screenshot-testing/src/main/kotlin/com/google/samples/apps/nowinandroid/core/testing/util/ScreenshotHelper.kt

@@ -28,6 +28,7 @@ import androidx.compose.ui.platform.LocalInspectionMode
 import androidx.compose.ui.test.junit4.AndroidComposeTestRule
 import androidx.compose.ui.test.onRoot
 import androidx.test.ext.junit.rules.ActivityScenarioRule
+import com.github.takahirom.roborazzi.ExperimentalRoborazziApi
 import com.github.takahirom.roborazzi.RoborazziOptions
 import com.github.takahirom.roborazzi.RoborazziOptions.CompareOptions
 import com.github.takahirom.roborazzi.RoborazziOptions.RecordOptions
@@ -36,6 +37,7 @@ import com.google.accompanist.testharness.TestHarness
 import com.google.samples.apps.nowinandroid.core.designsystem.theme.NiaTheme
 import org.robolectric.RuntimeEnvironment
 
+@OptIn(ExperimentalRoborazziApi::class)
 val DefaultRoborazziOptions =
     RoborazziOptions(
         // Pixel-perfect matching