Bump dev version

Author: dantleech

composer.json

@@ -13,7 +13,7 @@
         "ext-dom": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": "^8.0|^9.0",
+        "phpunit/phpunit": "^8.0||^9.0",
         "phpstan/phpstan": "^0.12.83",
         "friendsofphp/php-cs-fixer": "^2.18"
     },
@@ -29,7 +29,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "0.3-dev"
+            "dev-master": "1.0-dev"
         }
     }
 }