Restore explicit deno.json path

That may have been important after all.

Author: happy5214

build.ts

@@ -52,7 +52,9 @@ const result = await esbuild.build({
   target: ['chrome109', 'firefox109', 'safari16'],
   plugins: [
     versionPlugin,
-    denoPlugin(),
+    denoPlugin({
+      configPath: path.join(dir, 'deno.json'),
+    }),
   ],
   allowOverwrite: true,
   sourcemap: flags.minify ? false : 'inline',