Bump minimum WebView version and default user agent string

core/src/main/java/eu/kanade/tachiyomi/network/NetworkPreferences.kt

@@ -19,7 +19,7 @@ class NetworkPreferences(
     fun defaultUserAgent(): Preference<String> {
         return preferenceStore.getString(
             "default_user_agent",
-            "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/118.0",
+            "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/121.0",
         )
     }
 }

core/src/main/java/eu/kanade/tachiyomi/util/system/WebViewUtil.kt

@@ -15,7 +15,7 @@ import kotlin.coroutines.resume
 object WebViewUtil {
     const val SPOOF_PACKAGE_NAME = "org.chromium.chrome"
 
-    const val MINIMUM_WEBVIEW_VERSION = 114
+    const val MINIMUM_WEBVIEW_VERSION = 118
 
     /**
      * Uses the WebView's user agent string to create something similar to what Chrome on Android