Bump symfony/yaml from 5.2.5 to 5.2.7

Bumps [symfony/yaml](https://github.com/symfony/yaml) from 5.2.5 to 5.2.7.
- [Release notes](https://github.com/symfony/yaml/releases)
- [Changelog](https://github.com/symfony/yaml/blob/5.x/CHANGELOG.md)
- [Commits](https://github.com/symfony/yaml/compare/v5.2.5...v5.2.7)

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

composer.lock

@@ -255,16 +255,16 @@
         },
         {
             "name": "symfony/yaml",
-            "version": "v5.2.5",
+            "version": "v5.2.7",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "298a08ddda623485208506fcee08817807a251dd"
+                "reference": "76546cbeddd0a9540b4e4e57eddeec3e9bb444a5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/298a08ddda623485208506fcee08817807a251dd",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/76546cbeddd0a9540b4e4e57eddeec3e9bb444a5",
-                "reference": "298a08ddda623485208506fcee08817807a251dd",
+                "reference": "76546cbeddd0a9540b4e4e57eddeec3e9bb444a5",
                 "shasum": ""
             },
             "require": {
@@ -310,7 +310,7 @@
             "description": "Loads and dumps YAML files",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/yaml/tree/v5.2.5"
+                "source": "https://github.com/symfony/yaml/tree/v5.2.7"
             },
             "funding": [
                 {
@@ -326,7 +326,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-03-06T07:59:01+00:00"
+            "time": "2021-04-29T20:47:09+00:00"
         }
     ],
     "packages-dev": [],