Mise à jour des dépendances

composer.json

@@ -9,10 +9,10 @@
     ],
     "require": {
         "squizlabs/php_codesniffer":                        "3.*",
-        "dealerdirect/phpcodesniffer-composer-installer":   "^0.4",
-        "slevomat/coding-standard":                         "^4.0",
+        "dealerdirect/phpcodesniffer-composer-installer":   "^0.7",
+        "slevomat/coding-standard":                         "^8.0",
         "phpcompatibility/php-compatibility":               "*",
-        "phan/phan":                                        "^1.2"
+        "phan/phan":                                        "^5.2"
     },
     "bin": [
         "bin/unicaen-php-compat-run-phan",
@@ -29,5 +29,11 @@
     "autoload-dev": {
         "psr-4": {
         }
+    },
+    "config": {
+        "allow-plugins": {
+            "dealerdirect/phpcod": true,
+            "dealerdirect/phpcodesniffer-composer-installer": true
+        }
     }
 }