chore: Upgrade @serverless/utils to v5

Author: medikoo

package.json

@@ -25,7 +25,7 @@
     "@serverless/cli": "^1.5.2",
     "@serverless/components": "^3.9.2",
     "@serverless/dashboard-plugin": "^5.1.2",
-    "@serverless/utils": "^4.1.0",
+    "@serverless/utils": "^5.1.0",
     "ajv": "^6.12.6",
     "ajv-keywords": "^3.5.2",
     "archiver": "^5.3.0",