Allow Symfony 5 and switch to composer-bin-plugin

.gitattributes

@@ -10,4 +10,5 @@
 /.editorconfig      export-ignore
 /phpstan.neon       export-ignore
 /psalm.xml          export-ignore
-/psalm-baseline.xml export-ignore
+/psalm-baseline.xml export-ignore
+/vendor-bin         export-ignore

.gitignore

@@ -1,6 +1,7 @@
 /.idea
 /composer.lock
 /vendor
+/vendor-bin/**/vendor
 /.phpunit*
 /tests/_output
 /tests/_reports

composer.json

@@ -21,20 +21,15 @@
     ],
     "require": {
         "php": "^7.2",
-        "symfony/dependency-injection": "^4.0",
+        "symfony/dependency-injection": "^4.0|^5.0",
         "squirrelphp/strings": "^0.8.2"
     },
     "require-dev": {
-        "captainhook/plugin-composer": "^4.0",
-        "diablomedia/phpunit-pretty-printer": "^4.0",
-        "phpstan/phpstan": "^0.11.5",
-        "phpunit/phpunit": "^8.0",
-        "slevomat/coding-standard": "^5.0",
-        "squizlabs/php_codesniffer": "^3.2",
-        "vimeo/psalm": "^3.2",
+        "bamarni/composer-bin-plugin": "^1.3",
+        "captainhook/plugin-composer": "^4.0|^5.0",
         "doctrine/annotations": "^1.5",
-        "symfony/form": "^4.0",
-        "symfony/twig-bundle": "^4.0"
+        "symfony/form": "^4.0|^5.0",
+        "symfony/twig-bundle": "^4.0|^5.0"
     },
     "suggest": {
         "squirrelphp/strings-bundle": "Symfony integration of squirrelphp/strings"
@@ -53,6 +48,9 @@
         }
     },
     "scripts": {
+        "bin": "echo 'bin not installed'",
+        "post-install-cmd": ["@composer bin all install --ansi"],
+        "post-update-cmd": ["@composer bin all update --ansi"],
         "phpstan": "vendor/bin/phpstan analyse src --level=7",
         "psalm": "vendor/bin/psalm --show-info=false",
         "psalm_base": "vendor/bin/psalm --set-baseline=psalm-baseline.xml",

vendor-bin/phpcs/composer.json

@@ -0,0 +1,6 @@
+{
+    "require": {
+        "squizlabs/php_codesniffer": "^3.5",
+        "slevomat/coding-standard": "^5.0"
+    }
+}

vendor-bin/phpstan/composer.json

@@ -0,0 +1,5 @@
+{
+    "require": {
+        "phpstan/phpstan": "^0.11.19"
+    }
+}