Ensure that the type definition version matches the Node.js version in use.

Author: ashphy

package.json

@@ -41,7 +41,7 @@
 	"devDependencies": {
 		"@biomejs/biome": "2.2.4",
 		"@types/jest": "^29.5.8",
-		"@types/node": "^20.19.5",
+		"@types/node": "20.19.5",
 		"lefthook": "^1.11.14",
 		"npm-run-all": "^4.1.5",
 		"peggy": "^5.0.4",