Accept aspect specification for extended return object

(extended_return_object_declaration): accept aspect_specification

In accordance with Ada 2022 RM 6.5(2.1/5); this was not allowed in Ada
2012, but was changed in AI12-0398-1/03.

add test.

grammar.js

@@ -2294,6 +2294,7 @@ module.exports = grammar({
          optional(reservedWord('constant')),
          $._return_subtype_indication,
          optional($._assign_value),
+         optional($.aspect_specification),
       ),
       _return_subtype_indication: $ => choice(
          $._subtype_indication,

src/grammar.json

@@ -14549,6 +14549,18 @@
               "type": "BLANK"
             }
           ]
+        },
+        {
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "SYMBOL",
+              "name": "aspect_specification"
+            },
+            {
+              "type": "BLANK"
+            }
+          ]
         }
       ]
     },

src/node-types.json

@@ -3902,6 +3902,10 @@
           "type": "access_definition",
           "named": true
         },
+        {
+          "type": "aspect_specification",
+          "named": true
+        },
         {
           "type": "delta_constraint",
           "named": true

test/corpus/statements.txt

@@ -157,6 +157,11 @@ begin
    return A : My_Rec := (F => 1) do
       null;
    end return;
+   return Y : Integer
+     with Address => X'Address
+   do
+      null;
+   end return;
 end F;
 
 --------------------------------------------------------------------------------
@@ -186,6 +191,22 @@ end F;
                     (expression
                       (term
                         (numeric_literal))))))))
+          (handled_sequence_of_statements
+            (null_statement)))
+        (extended_return_statement
+          (extended_return_object_declaration
+            (identifier)
+            (identifier)
+            (aspect_specification
+              (aspect_mark_list
+                (aspect_association
+                  (identifier)
+                  (expression
+                    (term
+                      (identifier)
+                      (tick)
+                      (attribute_designator
+                        (identifier))))))))
           (handled_sequence_of_statements
             (null_statement))))
       (identifier))))