fix(ast-spec): add SpreadElement to ArrayExpression.elements (#5025)

Author: Josh-Cena

packages/ast-spec/src/expression/ArrayExpression/spec.ts

@@ -1,8 +1,9 @@
 import type { AST_NODE_TYPES } from '../../ast-node-types';
 import type { BaseNode } from '../../base/BaseNode';
+import type { SpreadElement } from '../../element/SpreadElement/spec';
 import type { Expression } from '../../unions/Expression';
 
 export interface ArrayExpression extends BaseNode {
   type: AST_NODE_TYPES.ArrayExpression;
-  elements: Expression[];
+  elements: (Expression | SpreadElement)[];
 }