enh(twig): update keywords list

CHANGES.md

@@ -2,6 +2,7 @@
 
 Grammars:
 
+- enh(twig) update keywords list
 - fix(python) def, class keywords detected mid-identifier (#3381) [Josh Goebel][]
 - fix(python) Fix recognition of numeric literals followed by keywords without whitespace (#2985) [Richard Gibson][]
 - enh(swift) add SE-0290 unavailability condition (#3382) [Bradley Mackey][]

src/languages/twig.js

@@ -13,7 +13,7 @@ export default function(hljs) {
     begin: '\\(', end: '\\)'
   };
 
-  var FUNCTION_NAMES = 'attribute block constant cycle date dump include ' +
+  var FUNCTION_NAMES = 'attribute block constant country_timezones cycle date dump html_classes include ' +
                   'max min parent random range source template_from_string';
 
   var FUNCTIONS = {
@@ -28,16 +28,16 @@ export default function(hljs) {
   var FILTER = {
     begin: /\|[A-Za-z_]+:?/,
     keywords:
-      'abs batch capitalize column convert_encoding date date_modify default ' +
-      'escape filter first format inky_to_html inline_css join json_encode keys last ' +
-      'length lower map markdown merge nl2br number_format raw reduce replace ' +
-      'reverse round slice sort spaceless split striptags title trim upper url_encode',
+      'abs batch capitalize column convert_encoding country_name currency_name currency_symbol data_uri date date_modify default ' +
+      'escape filter first format format_currency format_date format_datetime format_number format_time html_to_markdown inky_to_html inline_css join json_encode keys language_name last ' +
+      'length locale_name lower map markdown markdown_to_html merge nl2br number_format raw reduce replace ' +
+      'reverse round slice slug sort spaceless split striptags timezone_name title u|0 trim upper url_encode',
     contains: [
       FUNCTIONS
     ]
   };
 
-  var TAGS = 'apply autoescape block deprecated do embed extends filter flush for from ' +
+  var TAGS = 'apply autoescape block cache deprecated do embed extends filter flush for from ' +
     'if import include macro sandbox set use verbatim with';
 
   TAGS = TAGS + ' ' + TAGS.split(' ').map(function(t){return 'end' + t}).join(' ');