chore: update eslint config and dependencies

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: silverwind

package.json

@@ -17,7 +17,7 @@
     "@types/node": "25.1.0",
     "dedent": "1.7.1",
     "eslint": "9.39.2",
-    "eslint-config-silverwind": "118.0.1",
+    "eslint-config-silverwind": "120.1.2",
     "jest-extended": "7.0.0",
     "tsdown": "0.20.1",
     "tsdown-config-silverwind": "1.7.3",