docs: correct license

Gemorroj · Gemorroj · commit 9ddb4b56e8a5 · 2021-02-14T16:32:31.000+03:00
diff --git a/composer.json b/composer.json
@@ -2,7 +2,7 @@
     "name": "gemorroj/syntax",
     "type": "library",
     "description": "PHP code syntax checker.",
-    "license": "LGPL-3.0",
+    "license": "LGPL-3.0-or-later",
     "require": {
         "php": ">=7.3",
         "symfony/process": "^4.4|^5.0"
