Bump gulp from 4.0.2 to 5.0.0

Bumps [gulp](https://github.com/gulpjs/gulp) from 4.0.2 to 5.0.0.
- [Release notes](https://github.com/gulpjs/gulp/releases)
- [Changelog](https://github.com/gulpjs/gulp/blob/master/CHANGELOG.md)
- [Commits](gulpjs/gulp@v4.0.2...v5.0.0)

---
updated-dependencies:
- dependency-name: gulp
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -94,7 +94,7 @@
   "devDependencies": {
     "autoprefixer": "^10.4.19",
     "cspell": "^8.0.0",
-    "gulp": "^4.0.2",
+    "gulp": "^5.0.0",
     "hugo-extended": "0.124.1",
     "markdown-link-check": "^3.12.1",
     "markdownlint": "^0.34.0",