chore: update config

Author: TomokiMiyauci

deno.json

@@ -4,19 +4,13 @@
     "build:npm": "deno run -A _tools/build_npm.ts"
   },
   "fmt": {
-    "files": {
-      "exclude": ["CHANGELOG.md", "CODE_OF_CONDUCT.md"]
-    }
+    "exclude": ["CHANGELOG.md", "CODE_OF_CONDUCT.md"]
   },
   "lint": {
-    "files": {
-      "exclude": ["CHANGELOG.md", "CODE_OF_CONDUCT.md"]
-    }
+    "exclude": ["CHANGELOG.md", "CODE_OF_CONDUCT.md"]
   },
   "test": {
-    "files": {
-      "exclude": ["CHANGELOG.md", "CODE_OF_CONDUCT.md"]
-    }
+    "exclude": ["CHANGELOG.md", "CODE_OF_CONDUCT.md"]
   },
   "compilerOptions": {
     "noImplicitReturns": true,