web: bump the storybook group in /web with 1 update (#6939)

Bumps the storybook group in /web with 1 update: [storybook-addon-mock](https://github.com/nutboltu/storybook-addon-mock).

- [Release notes](https://github.com/nutboltu/storybook-addon-mock/releases)
- [Commits](https://github.com/nutboltu/storybook-addon-mock/compare/4.2.1...4.3.0)

---
updated-dependencies:
- dependency-name: storybook-addon-mock
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: storybook
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

web/package.json

@@ -110,7 +110,7 @@
         "rollup-plugin-cssimport": "^1.0.3",
         "rollup-plugin-postcss-lit": "^2.1.0",
         "storybook": "^7.4.2",
-        "storybook-addon-mock": "^4.2.1",
+        "storybook-addon-mock": "^4.3.0",
         "ts-lit-plugin": "^1.2.1",
         "tslib": "^2.6.2",
         "turnstile-types": "^1.1.3",