Use patches from GitHub to patch PHP-CSS-Parser (#5556)

Author: pierlon

Gruntfile.js

@@ -25,7 +25,6 @@ module.exports = function( grunt ) {
 	// ⚠️ Warning: These paths are passed straight to rm command in the shell, without any escaping.
 	const productionVendorExcludedFilePatterns = [
 		'composer.*',
-		'patches',
 		'lib',
 		'vendor/*/*/.editorconfig',
 		'vendor/*/*/.git',
@@ -164,7 +163,6 @@ module.exports = function( grunt ) {
 			paths.push( 'assets/js/**/*.js' );
 			paths.push( 'assets/js/**/*.asset.php' );
 			paths.push( 'assets/css/*.css' );
-			paths.push( 'patches/*.patch' );
 
 			if ( 'development' === process.env.NODE_ENV ) {
 				paths.push( 'assets/js/**/*.js.map' );

composer.json

@@ -52,9 +52,9 @@
     },
     "patches": {
       "sabberworm/php-css-parser": {
-        "Add additional validation for size unit <https://github.com/sabberworm/PHP-CSS-Parser/pull/193>": "patches/php-css-parser-pull-193.patch",
-        "Validate name-start code points for identifier <https://github.com/sabberworm/PHP-CSS-Parser/pull/185>": "patches/php-css-parser-pull-185.patch",
-        "Fix parsing CSS selectors which contain commas <https://github.com/westonruter/PHP-CSS-Parser/pull/1>": "patches/php-css-parser-commit-10a2501.patch"
+        "Add additional validation for size unit <https://github.com/sabberworm/PHP-CSS-Parser/pull/193>": "https://github.com/sabberworm/PHP-CSS-Parser/compare/3bc5ded67d77a52b81608cfc97f23b1bb0678e2f%5E...468da3441945e9c1bf402a3340b1d8326723f7d9.patch",
+        "Validate name-start code points for identifier <https://github.com/sabberworm/PHP-CSS-Parser/pull/185>": "https://github.com/sabberworm/PHP-CSS-Parser/compare/d42b64793f2edaffeb663c63e9de79069cdc0831%5E...113df5d55e94e21c6402021dfa959924941d4c29.patch",
+        "Fix parsing CSS selectors which contain commas <https://github.com/westonruter/PHP-CSS-Parser/pull/1>": "https://github.com/westonruter/PHP-CSS-Parser/compare/master...10a2501c119abafced3e4014aa3c0a3453a86f67.patch"
       }
     }
   },