PHP 7.3 requis

composer.json

@@ -2,7 +2,7 @@
   "name": "unicaen/ldap",
   "description": "Module Ldap des applications Unicaen",
   "require": {
-    "php":                                  "^5.6 || ^7.0",
+    "php":                                  "7.3.*",
     "zendframework/zend-config":            "^3.2",
     "zendframework/zend-i18n":              "^2.9",
     "zendframework/zend-ldap":              "^2.10",
@@ -14,7 +14,7 @@
   },
   "require-dev": {
     "phpunit/phpunit":         ">=3.7",
-    "zendframework/zend-test": ">=2.2"
+    "zendframework/zend-test": "^3.2"
   },
   "autoload": {
     "psr-0": {