⬆️ Upgrade dependency @cloudflare/vitest-pool-workers to v0.15.2

Author: renovate[bot]

package.json

@@ -14,7 +14,7 @@
 		"format:check": "prettier . --check"
 	},
 	"devDependencies": {
-		"@cloudflare/vitest-pool-workers": "0.9.14",
+		"@cloudflare/vitest-pool-workers": "0.15.2",
 		"@eslint/js": "^10.0.1",
 		"eslint": "^10.2.1",
 		"prettier": "^3.6.2",