Bump phpunit/phpunit from 8.5.1 to 8.5.2

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 8.5.1 to 8.5.2.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/master/ChangeLog-8.5.md)
- [Commits](https://github.com/sebastianbergmann/phpunit/compare/8.5.1...8.5.2)

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

composer.lock

@@ -3327,16 +3327,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "8.5.1",
+            "version": "8.5.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "7870c78da3c5e4883eaef36ae47853ebb3cb86f2"
+                "reference": "018b6ac3c8ab20916db85fa91bf6465acb64d1e0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/7870c78da3c5e4883eaef36ae47853ebb3cb86f2",
-                "reference": "7870c78da3c5e4883eaef36ae47853ebb3cb86f2",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/018b6ac3c8ab20916db85fa91bf6465acb64d1e0",
+                "reference": "018b6ac3c8ab20916db85fa91bf6465acb64d1e0",
                 "shasum": ""
             },
             "require": {
@@ -3406,7 +3406,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2019-12-25T14:49:39+00:00"
+            "time": "2020-01-08T08:49:49+00:00"
         },
         {
             "name": "psr/event-dispatcher",