Merge branch '5.0'

Author: GrahamCampbell

.github/workflows/tests.yml

@@ -46,7 +46,6 @@ jobs:
       - name: Execute PHPUnit
         run: vendor/bin/phpunit
 
-jobs:
   tests_lowest:
     name: PHP ${{ matrix.php }} Lowest
     runs-on: ubuntu-20.04

composer.json

@@ -49,7 +49,5 @@
         "branch-alias": {
             "dev-master": "5.1-dev"
         }
-    },
-    "minimum-stability": "dev",
-    "prefer-stable": true
+    }
 }