Update dependency @vercel/node to v2.15.7

Author: renovate[bot]

package.json

@@ -26,7 +26,7 @@
 	"dependencies": {
 		"@devprotocol/dev-kit": "6.9.0",
 		"@types/ramda": "0.28.15",
-		"@vercel/node": "2.5.21",
+		"@vercel/node": "2.15.7",
 		"bignumber.js": "9.1.0",
 		"metric-suffix": "0.0.3",
 		"ramda": "0.28.0",