fix: bump oldest working webview version

opening Statistics or IO results in:
"Uncaught (in promise) TypeError: t.replaceAll is not a function", source: http://127.0.0.1:36299/_app/immutable/chunks/D0Kcqh4a.mjs (1)

https://caniuse.com/wf-string-replaceall

Author: BrayanDSO

AnkiDroid/src/main/java/com/ichi2/utils/WebViewUtils.kt

@@ -31,8 +31,8 @@ import com.ichi2.anki.CrashReportService
 import com.ichi2.anki.R
 import timber.log.Timber
 
-internal const val OLDEST_WORKING_WEBVIEW_VERSION_CODE = 386507305L
-internal const val OLDEST_WORKING_WEBVIEW_VERSION = 77
+internal const val OLDEST_WORKING_WEBVIEW_VERSION_CODE = 418306960L
+internal const val OLDEST_WORKING_WEBVIEW_VERSION = 85
 
 /**
  * Shows a dialog if the current WebView version is older than the last supported version.