Lowering dep to webkit2gtk-4.0

--- configure.orig	2024-02-17 20:04:34 UTC
+++ configure
@@ -78,7 +78,7 @@ def configure(libbgee, valac, pkg_config):
 			'gio-2.0', 
 			'glib-2.0', 
 			'gtk+-3.0',
-			'webkit2gtk-4.1', 
+			'webkit2gtk-4.0', 
 			'libsoup-2.4',
 			'libnotify',
 			'sqlite3',