Bump symfony/symfony from 3.4.46 to 3.4.47

Bumps [symfony/symfony](https://github.com/symfony/symfony) from 3.4.46 to 3.4.47.
- [Release notes](https://github.com/symfony/symfony/releases)
- [Changelog](https://github.com/symfony/symfony/blob/v3.4.47/CHANGELOG-3.4.md)
- [Commits](https://github.com/symfony/symfony/compare/v3.4.46...v3.4.47)

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

composer.lock

@@ -1142,6 +1142,7 @@
                 "cache",
                 "caching"
             ],
+            "abandoned": true,
             "time": "2019-11-29T11:22:01+00:00"
         },
         {
@@ -9849,16 +9850,16 @@
         },
         {
             "name": "symfony/symfony",
-            "version": "v3.4.46",
+            "version": "v3.4.47",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/symfony.git",
-                "reference": "8cd680e4db34bedbe79f1cb306456dde77adf6b6"
+                "reference": "83093d5448a7b90fd4cbcce38580ae53898f506f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/symfony/zipball/8cd680e4db34bedbe79f1cb306456dde77adf6b6",
+                "url": "https://api.github.com/repos/symfony/symfony/zipball/83093d5448a7b90fd4cbcce38580ae53898f506f",
-                "reference": "8cd680e4db34bedbe79f1cb306456dde77adf6b6",
+                "reference": "83093d5448a7b90fd4cbcce38580ae53898f506f",
                 "shasum": ""
             },
             "require": {
@@ -10013,7 +10014,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-10-28T05:40:45+00:00"
+            "time": "2020-11-27T08:43:16+00:00"
         },
         {
             "name": "tecnickcom/tcpdf",