chore(deps): bump contentful from 11.4.2 to 11.4.3 in /frontend

Bumps [contentful](https://github.com/contentful/contentful.js) from 11.4.2 to 11.4.3.
- [Release notes](https://github.com/contentful/contentful.js/releases)
- [Commits](contentful/contentful.js@v11.4.2...v11.4.3)

---
updated-dependencies:
- dependency-name: contentful
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

frontend/package.json

@@ -23,7 +23,7 @@
     "@typescript-eslint/parser": "^6.21.0",
     "accounting": "^0.4.1",
     "axios": "^1.7.9",
-    "contentful": "^11.4.2",
+    "contentful": "^11.4.3",
     "dayjs": "^1.11.13",
     "dompurify": "^3.2.3",
     "graphql-request": "^7.1.2",