Install Enlightn Security Checker

To replace the Symfony Security Checker, the Enlightn Security
Checker has been installed, which does the same checks and is
already enabled in the GrumPHP configuration.

See: phpro/grumphp#865

composer.json

@@ -22,6 +22,7 @@
     "require": {
         "php": "^7.1",
         "composer-plugin-api": "^1.1",
+        "enlightn/security-checker": "^1.5",
         "kint-php/kint": "~1.0 || ~2.0 || ~3.0",
         "mediact/coding-standard": "~1.0 || ~2.0",
         "mediact/coding-standard-phpstorm": "~1.0 || ~2.0",
@@ -31,9 +32,9 @@
         "phpro/grumphp": ">=0.19 <1.0",
         "phpstan/phpstan": "~0.1",
         "phpunit/phpunit": "~3.7 || ~4.0 || ~5.0 || ~6.0 || ~7.0 || ~8.0",
-        "sensiolabs/security-checker": "^5.0",
         "symfony/event-dispatcher": "^4.0",
-        "symfony/dependency-injection": "^4.0"
+        "symfony/dependency-injection": "^4.0",
+        "ext-zip": "*"
     },
     "require-dev": {
         "composer/composer": "@stable",

config/default/grumphp.yml

@@ -35,9 +35,6 @@ parameters:
   phpunit.config_file: ./phpunit.xml
 
   securitychecker.lockfile: ./composer.lock
-  securitychecker.format: ~
-  securitychecker.end_point: ~
-  securitychecker.timeout: ~
   securitychecker.run_always: true
 
 grumphp:
@@ -90,7 +87,4 @@ grumphp:
 
     securitychecker:
       lockfile: '%securitychecker.lockfile%'
-      format: '%securitychecker.format%'
-      end_point: '%securitychecker.end_point%'
-      timeout: '%securitychecker.timeout%'
       run_always: '%securitychecker.run_always%'