Update dependency @cloudflare/vitest-pool-workers to ^0.16.0

Author: renovate[bot]

package.json

@@ -25,7 +25,7 @@
 		"cf-typegen": "wrangler types"
 	},
 	"devDependencies": {
-		"@cloudflare/vitest-pool-workers": "^0.5.0",
+		"@cloudflare/vitest-pool-workers": "^0.16.0",
 		"@types/node": "^24",
 		"vitest": "^2.1.0",
 		"wrangler": "^4.56.0"