update amphp dependencies (#13)

* update amphp dependencies
* change ci configuration

Author: mmasiukevich

.scrutinizer.yml

@@ -59,8 +59,6 @@ checks:
 build:
   nodes:
     analysis:
-      services:
-        rabbitmq: 3
       project_setup:
         override: true
       tests:

composer.json

@@ -17,8 +17,8 @@
     ],
     "require": {
         "php": "^7.2",
-        "amphp/amp": "^2.0",
-        "amphp/socket": "^0.10",
+        "amphp/amp": "v2.2.*",
+        "amphp/socket": "^1",
         "phpinnacle/buffer": "^1.0"
     },
     "require-dev": {