Composer update amp-toolbox-php to ampproject/amp-toolbox-php#130

Author: westonruter

composer.json

@@ -13,7 +13,7 @@
     "ext-json": "*",
     "ext-libxml": "*",
     "ext-spl": "*",
-    "ampproject/amp-toolbox": "dev-add/20-rewrite-amp-urls-transformer",
+    "ampproject/amp-toolbox": "dev-fix/reorder-head-deduplication",
     "cweagans/composer-patches": "1.7.0",
     "fasterimage/fasterimage": "1.5.0",
     "sabberworm/php-css-parser": "dev-master#bfdd976"