chore(deps-dev): bump mage-os/magento-coding-standard in /magento

Bumps mage-os/magento-coding-standard from 3.0.0 to 3.1.0.

---
updated-dependencies:
- dependency-name: mage-os/magento-coding-standard
  dependency-version: 3.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

magento/composer.json

@@ -26,7 +26,7 @@
     "dealerdirect/phpcodesniffer-composer-installer": "^0.7 || ^1.0",
     "dg/bypass-finals": "^1.4",
     "friendsofphp/php-cs-fixer": "^3.22",
-    "mage-os/magento-coding-standard": "3.0.0",
+    "mage-os/magento-coding-standard": "3.1.0",
     "mage-os/magento2-functional-testing-framework": "3.0.0",
     "pdepend/pdepend": "^3@dev",
     "phpmd/phpmd": "^3@dev",