use .toLocaleString instead of UTC

Signed-off-by: Wesley <wpattison08@gmail.com>

plugins/azure-functions/src/components/OverviewTableComponent/OverviewTable.test.tsx

@@ -28,6 +28,7 @@ import {
   TestApiProvider,
 } from '@backstage/test-utils';
 import { setupServer } from 'msw/node';
+import { DateTime } from 'luxon';
 import { functionResponseMock } from '../../mocks/mocks';
 import { azureFunctionsApiRef } from '../..';
 import { OverviewTable } from './OverviewTable';
@@ -79,7 +80,10 @@ describe('AzureFunctionsOverviewWidget', () => {
     ).toBeInTheDocument();
     expect(
       await rendered.findByText(
-        new Date(functionResponseMock.lastModifiedDate).toUTCString(),
+        functionResponseMock.lastModifiedDate.toLocaleString(
+          window.navigator.language,
+          DateTime.DATETIME_FULL,
+        ),
       ),
     ).toBeInTheDocument();
   });

plugins/azure-functions/src/components/OverviewTableComponent/OverviewTable.tsx

@@ -19,8 +19,10 @@ import { Box, Card, Link, LinearProgress } from '@material-ui/core';
 import { FunctionsData } from '@backstage/plugin-azure-functions-common';
 import { Table, TableColumn } from '@backstage/core-components';
 import FlashOnIcon from '@material-ui/icons/FlashOn';
+import { DateTime } from 'luxon';
 
 type States = 'Waiting' | 'Running' | 'Paused' | 'Failed';
+const lang = window.navigator.language;
 
 const State = ({ value }: { value: States }) => {
   const colorMap = {
@@ -74,7 +76,7 @@ const DEFAULT_COLUMNS: TableColumn<FunctionsData>[] = [
   {
     title: 'last modified',
     render: (func: FunctionsData) =>
-      new Date(func.lastModifiedDate).toUTCString(),
+      func.lastModifiedDate.toLocaleString(lang, DateTime.DATETIME_FULL),
   },
   {
     title: 'logs',