Bump symfony/dotenv from 4.3.5 to 4.3.8

Bumps [symfony/dotenv](https://github.com/symfony/dotenv) from 4.3.5 to 4.3.8.
- [Release notes](https://github.com/symfony/dotenv/releases)
- [Changelog](https://github.com/symfony/dotenv/blob/master/CHANGELOG.md)
- [Commits](https://github.com/symfony/dotenv/compare/v4.3.5...v4.3.8)

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

composer.lock

@@ -2251,23 +2251,23 @@
         },
         {
             "name": "symfony/dotenv",
-            "version": "v4.3.5",
+            "version": "v4.3.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dotenv.git",
-                "reference": "1785b18148a016b8f4e6a612291188d568e1f9cd"
+                "reference": "62d93bf07edd0d76f033d65a7fd1c1ce50d28b50"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dotenv/zipball/1785b18148a016b8f4e6a612291188d568e1f9cd",
+                "url": "https://api.github.com/repos/symfony/dotenv/zipball/62d93bf07edd0d76f033d65a7fd1c1ce50d28b50",
-                "reference": "1785b18148a016b8f4e6a612291188d568e1f9cd",
+                "reference": "62d93bf07edd0d76f033d65a7fd1c1ce50d28b50",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.1.3"
             },
             "require-dev": {
-                "symfony/process": "~3.4|~4.0"
+                "symfony/process": "^3.4.2|^4.0"
             },
             "type": "library",
             "extra": {
@@ -2304,7 +2304,7 @@
                 "env",
                 "environment"
             ],
-            "time": "2019-08-03T21:50:52+00:00"
+            "time": "2019-10-18T11:23:15+00:00"
         },
         {
             "name": "symfony/event-dispatcher",