chore(deps-dev): bump filp/whoops from 2.6.0 to 2.7.0 (#1160)

Bumps [filp/whoops](https://github.com/filp/whoops) from 2.6.0 to 2.7.0.
- [Release notes](https://github.com/filp/whoops/releases)
- [Changelog](https://github.com/filp/whoops/blob/master/CHANGELOG.md)
- [Commits](https://github.com/filp/whoops/compare/2.6.0...2.7.0)

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

composer.lock

@@ -4606,16 +4606,16 @@
         },
         {
             "name": "filp/whoops",
-            "version": "2.6.0",
+            "version": "2.7.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/filp/whoops.git",
-                "reference": "ecbc8f3ed2cafca3cfca3d5febaae5a9d2899508"
+                "reference": "4c97f814aa2f0dd4d5bedc89181c10ef12c004c5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/filp/whoops/zipball/ecbc8f3ed2cafca3cfca3d5febaae5a9d2899508",
+                "url": "https://api.github.com/repos/filp/whoops/zipball/4c97f814aa2f0dd4d5bedc89181c10ef12c004c5",
-                "reference": "ecbc8f3ed2cafca3cfca3d5febaae5a9d2899508",
+                "reference": "4c97f814aa2f0dd4d5bedc89181c10ef12c004c5",
                 "shasum": ""
             },
             "require": {
@@ -4634,7 +4634,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.5-dev"
+                    "dev-master": "2.6-dev"
                 }
             },
             "autoload": {
@@ -4663,7 +4663,7 @@
                 "throwable",
                 "whoops"
             ],
-            "time": "2019-12-25T10:00:00+00:00"
+            "time": "2019-12-29T10:00:00+00:00"
         },
         {
             "name": "fzaninotto/faker",