android: Bump minimum version to Android 11

src/android/app/build.gradle.kts

@@ -45,7 +45,7 @@ android {
     defaultConfig {
         // TODO If this is ever modified, change application_id in strings.xml
         applicationId = "org.yuzu.yuzu_emu"
-        minSdk = 28
+        minSdk = 30
         targetSdk = 33
         versionCode = autoVersion
         versionName = getVersion()