[fenix] For https://github.com/mozilla-mobile/fenix/issues/25808: Handle PackageManager methods deprecation in UI tests.

app/src/androidTest/java/org/mozilla/fenix/ui/robots/SettingsSubMenuAboutRobot.kt

@@ -23,6 +23,7 @@ import androidx.test.espresso.matcher.ViewMatchers.withText
 import androidx.test.platform.app.InstrumentationRegistry
 import androidx.test.uiautomator.UiScrollable
 import androidx.test.uiautomator.UiSelector
+import mozilla.components.support.utils.ext.getPackageInfoCompat
 import org.hamcrest.CoreMatchers.allOf
 import org.hamcrest.CoreMatchers.containsString
 import org.junit.Assert.assertTrue
@@ -97,7 +98,7 @@ private fun assertAboutToolbar() =
 private fun assertVersionNumber() {
     val context = InstrumentationRegistry.getInstrumentation().targetContext
 
-    val packageInfo = context.packageManager.getPackageInfo(context.packageName, 0)
+    val packageInfo = context.packageManager.getPackageInfoCompat(context.packageName, 0)
     val versionCode = PackageInfoCompat.getLongVersionCode(packageInfo).toString()
 
     val buildNVersion = "${packageInfo.versionName} (Build #$versionCode)\n"