build(deps-dev): bump iframe-resizer from 4.3.7 to 4.3.9

Bumps [iframe-resizer](https://github.com/davidjbradshaw/iframe-resizer) from 4.3.7 to 4.3.9.
- [Release notes](https://github.com/davidjbradshaw/iframe-resizer/releases)
- [Changelog](https://github.com/davidjbradshaw/iframe-resizer/blob/master/CHANGELOG.md)
- [Commits](davidjbradshaw/iframe-resizer@v4.3.7...v4.3.9)

---
updated-dependencies:
- dependency-name: iframe-resizer
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -82,7 +82,7 @@
     "html-validate": "^8.7.1",
     "html5-boilerplate": "^8.0.0",
     "husky": "^8.0.3",
-    "iframe-resizer": "^4.3.7",
+    "iframe-resizer": "^4.3.9",
     "lint-staged": "^15.1.0",
     "markdownlint-cli": "^0.37.0",
     "nodemon": "^3.0.1",