fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-ANSIREGEX-1583908
- https://snyk.io/vuln/SNYK-JS-GLOBPARENT-1016905
- https://snyk.io/vuln/SNYK-JS-INFLIGHT-6095116
- https://snyk.io/vuln/SNYK-JS-UNSETVALUE-2400660

package.json

@@ -17,7 +17,7 @@
   "dependencies": {
     "chalk": "^4.1.2",
     "del": "^6.1.1",
-    "gulp": "^4.0.2",
+    "gulp": "^5.0.0",
     "gulp-postcss": "^9.0.1",
     "node-emoji": "^1.11.0",
     "standardx": "^7.0.0"