chore(enum-array): plugin is sync (dotansimha#7917)

* chore(enum-array): plugin can be sync

* Update index.ts

* Update index.ts

* add changeset

Author: dimaMachina

.changeset/early-waves-punch.md

@@ -0,0 +1,5 @@
+---
+'@graphql-codegen/typescript-enum-array': patch
+---
+
+chore: remove async from a plugin, as it's never was async

packages/plugins/typescript/enum-array/src/index.ts

@@ -30,18 +30,16 @@ function buildImportStatement(enums: GraphQLEnumType[], importFrom: string): str
   return [`import { ${names.join(', ')} } from "${importFrom}";`];
 }
 
-export const plugin: PluginFunction<EnumArrayPluginConfig> = async (
+export const plugin: PluginFunction<EnumArrayPluginConfig> = (
   schema: GraphQLSchema,
   _documents: Types.DocumentFile[],
   config: EnumArrayPluginConfig
-): Promise<Types.PluginOutput> => {
-  const importFrom: EnumArrayPluginConfig['importFrom'] = config.importFrom;
+): Types.PluginOutput => {
   const enums = getEnumTypeMap(schema);
   const content = enums.map(buildArrayDefinition).join('\n');
-
   const result: Types.PluginOutput = { content };
-  if (importFrom) {
-    result['prepend'] = buildImportStatement(enums, importFrom);
+  if (config.importFrom) {
+    result['prepend'] = buildImportStatement(enums, config.importFrom);
   }
   return result;
 };