add EdgeQL global support

src/EdgeDB.Net.QueryBuilder/EdgeQL.cs

@@ -61,4 +61,6 @@ public static T Cube<T>(T value)
     public static long Count<TType>(IQuery<TType> a) => default!;
 
     public static EdgeDBTypeContainer<T> SchemaType<T>() => EdgeDBTypeContainer<T>.Create();
+
+    public static T Global<T>(string name) => default!;
 }

src/EdgeDB.Net.QueryBuilder/Translators/Methods/EdgeQLMethodTranslator.cs

@@ -0,0 +1,10 @@
+namespace EdgeDB.Translators.Methods;
+
+internal sealed class EdgeQLMethodTranslator : MethodTranslator<EdgeQL>
+{
+    [MethodName(nameof(EdgeQL.Global))]
+    public void Global(QueryWriter writer, TranslatedParameter name)
+    {
+        writer.Append("global ", name);
+    }
+}