chore: Bump symplify/easy-coding-standard from 12.5.16 to 12.5.20 (#9)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

composer.json

@@ -30,7 +30,7 @@
   "require-dev": {
     "phpstan/phpstan": "2.1.17",
     "phpunit/phpunit": "11.5.21",
-    "symplify/easy-coding-standard": "12.5.16",
+    "symplify/easy-coding-standard": "12.5.20",
     "testcontainers/testcontainers": "1.0.3"
   },
   "scripts": {