Composer : dépendance avec la branche bs5 de unicaen/app

composer.json

 {
-    "name": "unicaen/auth",
-    "description": "Module d'authentification pour les applications Unicaen",
-    "repositories": [
-        {
-            "type": "composer",
-            "url": "https://gest.unicaen.fr/packagist"
-        }
-    ],
-    "require": {
-        "unicaen/app":                                  "^3.0",
-        "unicaen/bjy-authorize":                        "^3.0",
-        "jasig/phpcas":                                 "^1.3",
-        "ramsey/uuid":                                  "^3.7"
-    },
-    "require-dev": {
-        "phpunit/phpunit":                              "^5.6"
-    },
-    "autoload": {
-        "psr-0": {
-            "UnicaenAuth": "src/",
-            "UnicaenAuthTest": "tests/"
-        },
-        "classmap": [
-            "./Module.php"
-        ]
+  "name": "unicaen/auth",
+  "description": "Module d'authentification pour les applications Unicaen",
+  "repositories": [
+    {
+      "type": "composer",
+      "url": "https://gest.unicaen.fr/packagist"
     }
+  ],
+  "require": {
+    "unicaen/app": "dev-bs5",
+    "unicaen/bjy-authorize": "^3.0",
+    "jasig/phpcas": "^1.3",
+    "ramsey/uuid": "^3.7"
+  },
+  "require-dev": {
+    "phpunit/phpunit": "^5.6"
+  },
+  "autoload": {
+    "psr-0": {
+      "UnicaenAuth": "src/",
+      "UnicaenAuthTest": "tests/"
+    },
+    "classmap": [
+      "./Module.php"
+    ]
+  }
 }