update dependencies

.phplint.yml

@@ -0,0 +1,6 @@
+path: ./
+jobs: 10
+cache: .phplint.cache
+exclude:
+    - build
+    - vendor

.travis.yml

@@ -15,7 +15,7 @@ env:
 php:
   - 7.2
   - 7.3
-  - 7.4snapshot
+  - 7.4
   - nightly
 
 matrix:

composer.json

@@ -24,24 +24,25 @@
   "prefer-stable": true,
   "require": {
     "php": "^7.1",
-    "phpgears/event": "~0.3.1",
-    "symfony/event-dispatcher": "^4.3"
+    "phpgears/event": "~0.3.3",
+    "symfony/event-dispatcher": "^4.3|^5.0"
   },
   "require-dev": {
-    "brainmaestro/composer-git-hooks": "^2.1",
-    "friendsofphp/php-cs-fixer": "^2.0",
-    "infection/infection": "^0.9",
-    "phpmd/phpmd": "^2.0",
-    "phpstan/extension-installer": "^1.0",
-    "phpstan/phpstan": "~0.11.12",
-    "phpstan/phpstan-deprecation-rules": "~0.11.2",
-    "phpstan/phpstan-strict-rules": "~0.11.1",
-    "phpunit/phpunit": "^7.0|^8.0",
-    "povils/phpmnd": "^2.0",
+    "brainmaestro/composer-git-hooks": "^2.8",
+    "friendsofphp/php-cs-fixer": "^2.16",
+    "infection/infection": "^0.13|^0.15",
+    "overtrue/phplint": "^1.2",
+    "phpmd/phpmd": "^2.8",
+    "phpstan/extension-installer": "^1.0.3",
+    "phpstan/phpstan": "^0.12",
+    "phpstan/phpstan-deprecation-rules": "^0.12",
+    "phpstan/phpstan-strict-rules": "^0.12",
+    "phpunit/phpunit": "^7.5|^8.0",
+    "povils/phpmnd": "^2.1",
     "roave/security-advisories": "dev-master",
     "sebastian/phpcpd": "^4.0",
-    "squizlabs/php_codesniffer": "^3.0",
-    "thecodingmachine/phpstan-strict-rules": "~0.11.2"
+    "squizlabs/php_codesniffer": "^3.5",
+    "thecodingmachine/phpstan-strict-rules": "^0.12"
   },
   "suggest": {
   },
@@ -65,7 +66,7 @@
     "cghooks": "cghooks",
     "post-install-cmd": "cghooks add --ignore-lock",
     "post-update-cmd": "cghooks update",
-    "lint-php": "php -l src && php -l tests",
+    "lint-php": "phplint --configuration=.phplint.yml",
     "lint-phpcs": "phpcs --standard=PSR2 src tests",
     "lint-phpcs-fixer": "php-cs-fixer fix --config=.php_cs --dry-run --verbose",
     "fix-phpcs": "php-cs-fixer fix --config=.php_cs --verbose",