Bump symfony/dom-crawler from 4.4.8 to 4.4.9

Bumps [symfony/dom-crawler](https://github.com/symfony/dom-crawler) from 4.4.8 to 4.4.9.
- [Release notes](https://github.com/symfony/dom-crawler/releases)
- [Changelog](https://github.com/symfony/dom-crawler/blob/master/CHANGELOG.md)
- [Commits](https://github.com/symfony/dom-crawler/compare/v4.4.8...v4.4.9)

Signed-off-by: dependabot[bot] <support@github.com>

composer.lock

@@ -2555,20 +2555,20 @@
         },
         {
             "name": "symfony/dom-crawler",
-            "version": "v4.4.8",
+            "version": "v4.4.9",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dom-crawler.git",
-                "reference": "4d0fb3374324071ecdd94898367a3fa4b5563162"
+                "reference": "c18354d5a0bb84c945f6257c51b971d52f10c614"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dom-crawler/zipball/4d0fb3374324071ecdd94898367a3fa4b5563162",
-                "reference": "4d0fb3374324071ecdd94898367a3fa4b5563162",
+                "url": "https://api.github.com/repos/symfony/dom-crawler/zipball/c18354d5a0bb84c945f6257c51b971d52f10c614",
+                "reference": "c18354d5a0bb84c945f6257c51b971d52f10c614",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3",
+                "php": ">=7.1.3",
                 "symfony/polyfill-ctype": "~1.8",
                 "symfony/polyfill-mbstring": "~1.0"
             },
@@ -2612,7 +2612,7 @@
             ],
             "description": "Symfony DomCrawler Component",
             "homepage": "https://symfony.com",
-            "time": "2020-03-29T19:12:22+00:00"
+            "time": "2020-05-23T00:03:06+00:00"
         },
         {
             "name": "symfony/error-handler",