Prepare 8.0.0 release 🎉

Author: mfn

CHANGELOG.md

@@ -1,9 +1,12 @@
 CHANGELOG
 =========
 
-[Next release](https://github.com/rebing/graphql-laravel/compare/7.2.0...master)
+[Next release](https://github.com/rebing/graphql-laravel/compare/8.0.0...master)
 --------------
 
+2021-11-15, 8.0.0
+-----------------
+
 ## Breaking changes
 - Rewrite and simplify how schemas are handled
   - `\Rebing\GraphQL\GraphQL::$schemas` now only holds `Schema`s and not a

composer.json

@@ -77,7 +77,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "8.0-dev"
+            "dev-master": "8.1-dev"
         },
         "laravel": {
             "providers": [