Maestro adds support for PHP 8.0 (#32)

Author: dantleech

composer.json

@@ -10,27 +10,27 @@
         }
     ],
     "require": {
-        "php": "^7.3",
+        "php": "^7.3 || ^8.0",
         "dantleech/invoke": "^1.0",
         "phpactor/amp-fswatch": "^0.2.0",
-        "phpactor/container": "^1.3.3",
+        "phpactor/container": "^1.3.4",
         "phpactor/name-specification": "^0.1",
         "phpactor/reference-finder": "^0.1.5",
-        "phpactor/reference-finder-extension": "^0.1.0",
-        "phpactor/source-code-filesystem": "~0.1.5",
-        "phpactor/source-code-filesystem-extension": "^0.1.3",
-        "phpactor/text-document": "^1.1.3",
+        "phpactor/reference-finder-extension": "^0.1.7",
+        "phpactor/source-code-filesystem": "^0.1.6",
+        "phpactor/source-code-filesystem-extension": "^0.1.5",
+        "phpactor/text-document": "^1.2.3",
         "phpactor/worse-reflection": "^0.4.4",
-        "phpactor/worse-reflection-extension": "^0.2.0",
+        "phpactor/worse-reflection-extension": "^0.2.4",
         "thecodingmachine/safe": "^1.0"
     },
     "require-dev": {
         "ergebnis/composer-normalize": "^2.0",
         "friendsofphp/php-cs-fixer": "^2.17",
-        "phpactor/console-extension": "^0.1.2",
-        "phpactor/rpc-extension": "^0.2.0",
-        "phpactor/test-utils": "^1.0.2",
-        "phpbench/phpbench": "^1.0.0-alpha5",
+        "phpactor/console-extension": "^0.1.6",
+        "phpactor/rpc-extension": "^0.2.3",
+        "phpactor/test-utils": "^1.1.3",
+        "phpbench/phpbench": "dev-master",
         "phpstan/phpstan": "~0.12.0",
         "phpunit/phpunit": "^9.0",
         "symfony/var-dumper": "^5.1",