fix(deps): bump @contentful/react-apps-toolkit

Bumps the production-dependencies group in /examples/function-potterdb with 1 update: [@contentful/react-apps-toolkit](https://github.com/contentful/create-contentful-app/tree/HEAD/packages/contentful--react-apps-toolkit).


Updates `@contentful/react-apps-toolkit` from 1.2.16 to 1.2.19
- [Release notes](https://github.com/contentful/create-contentful-app/releases)
- [Changelog](https://github.com/contentful/create-contentful-app/blob/main/packages/contentful--react-apps-toolkit/CHANGELOG.md)
- [Commits](https://github.com/contentful/create-contentful-app/commits/@contentful/react-apps-toolkit@1.2.19/packages/contentful--react-apps-toolkit)

---
updated-dependencies:
- dependency-name: "@contentful/react-apps-toolkit"
  dependency-version: 1.2.19
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: production-dependencies
...

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

Author: dependabot[bot]

examples/function-potterdb/package.json

@@ -8,7 +8,7 @@
     "@contentful/f36-icons": "^4.28.2",
     "@contentful/f36-tokens": "4.2.0",
     "@contentful/field-editor-single-line": "^1.4.4",
-    "@contentful/react-apps-toolkit": "1.2.16",
+    "@contentful/react-apps-toolkit": "1.2.20",
     "@tanstack/react-query": "^5.59.0",
     "contentful-management": "10.46.4",
     "emotion": "10.0.27",