fix: add kysely dependency (required by emdash db driver)

EmDash's SQLite dialect uses kysely internally. Without it,
runtime throws "Cannot find module 'kysely'" error.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

package.json

@@ -23,6 +23,7 @@
 		"astro-iconset": "^0.0.4",
 		"better-sqlite3": "^12.8.0",
 		"emdash": "^0.8.0",
+		"kysely": "^0.27.0",
 		"react": "19.2.4",
 		"react-dom": "19.2.4"
 	},
@@ -32,7 +33,8 @@
 	"pnpm": {
 		"onlyBuiltDependencies": [
 			"better-sqlite3",
-			"esbuild"
+			"esbuild",
+			"kysely"
 		]
 	}
 }