Update dependency wpackagist-theme/twentytwelve to v4

composer.json

@@ -75,7 +75,7 @@
         "wpackagist-theme/twentysixteen": "2.9",
         "wpackagist-theme/twentyten": "3.9",
         "wpackagist-theme/twentythirteen": "3.8",
-        "wpackagist-theme/twentytwelve": "3.9",
+        "wpackagist-theme/twentytwelve": "4.0",
         "wpackagist-theme/twentytwenty": "2.2",
         "wpackagist-theme/wp-andreas01": "2.0",
         "wpackagist-theme/zenlite": "4.10",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "ebac075169b0b96732a95e6ce15ea45e",
+    "content-hash": "498d51e0e5b7eccb068928d576480b45",
     "packages": [
         {
             "name": "bjornjohansen/wplang",
@@ -2062,15 +2062,15 @@
         },
         {
             "name": "wpackagist-theme/twentytwelve",
-            "version": "3.9",
+            "version": "4.0",
             "source": {
                 "type": "svn",
                 "url": "https://themes.svn.wordpress.org/twentytwelve/",
-                "reference": "3.9"
+                "reference": "4.0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://downloads.wordpress.org/theme/twentytwelve.3.9.zip"
+                "url": "https://downloads.wordpress.org/theme/twentytwelve.4.0.zip"
             },
             "require": {
                 "composer/installers": "^1.0 || ^2.0"