[chore] add @sveltejs/adapter-static to site package (#4245)

* add @sveltejs/adapter-static.

#4011 added @sveltejs/adapter-static .
But #4239 removed it.
Then deploy process is failed. (Please see #4244 (comment) for more details)

* workspace:^1.0.0-next.29 -> workspace:*

Author: baseballyama

pnpm-lock.yaml

@@ -9,6 +9,7 @@
 	},
 	"devDependencies": {
 		"@sveltejs/adapter-auto": "workspace:*",
+		"@sveltejs/adapter-static": "workspace:*",
 		"@sveltejs/kit": "workspace:*",
 		"@sveltejs/site-kit": "^2.0.3",
 		"@types/node": "^16.11.11",