minor #450 Add "dev" keyword to symfony/polyfill package (nicolas-grekas)

This PR was merged into the 1.x branch.

Discussion
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Add "dev" keyword to symfony/polyfill package

See symfony/symfony#51811

Commits
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0bc9478 Add "dev" keyword to symfony/polyfill package

Author: fabpot

composer.json

@@ -2,7 +2,7 @@
     "name": "symfony/polyfill",
     "type": "library",
     "description": "Symfony polyfills backporting features to lower PHP versions",
-    "keywords": ["polyfill", "shim", "compat", "compatibility"],
+    "keywords": ["polyfill", "shim", "compat", "compatibility", "dev"],
     "homepage": "https://symfony.com",
     "license": "MIT",
     "authors": [