chore: enable symfony 6.1 (and php8.1) compatibility

.github/workflows/ci.yml

@@ -7,8 +7,8 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        php-version: [ '7.2', '7.3', '7.4', '8.0', '8.1' ]
-        symfony-version: ['^4.4', '^5.0']
+        php-version: ['8.1']
+        symfony-version: ['^6.1']
     steps:
       - uses: actions/checkout@master
       - uses: shivammathur/setup-php@v2

composer.json

@@ -9,16 +9,15 @@
         }
     ],
     "require" : {
-        "php" : ">=7.2",
+        "php" : ">=8.1",
         "ext-pcntl" : "*",
-        "psr/event-dispatcher": "^1.0",
-        "symfony/console" : "~4.4 || ~5.0",
-        "symfony/framework-bundle" : "~4.4 || ~5.0",
-        "symfony/yaml": "~4.4 || ~5.0",
+        "psr/event-dispatcher": ">=1.0",
+        "symfony/console" : "~6.1",
+        "symfony/framework-bundle" : "~6.1",
+        "symfony/yaml": "~6.1",
         "react/event-loop": "@stable"
     },
     "require-dev" : {
-        "sensiolabs/security-checker": "^6.0",
         "phpunit/phpunit": "^8.4"
     },
     "autoload" : {
@@ -27,9 +26,6 @@
             "M6Web\\Bundle\\DaemonBundle\\Tests\\": "tests/"
         }
     },
-    "conflict": {
-        "symfony/event-dispatcher": "<4.4"
-    },
     "extra": {
         "branch-alias": {
             "dev-master": "2.0.x-dev"

src/Command/DaemonCommand.php

@@ -123,9 +123,9 @@ private function configureDaemonDefinition(): void
      * Define command code callback.
      *
      * @param callable $callback
-     * @return DaemonCommand
+     * @return $this
      */
-    public function setCode(callable $callback): DaemonCommand
+    public function setCode(callable $callback): static
     {
         $this->loopCallback = $callback;