build(deps-dev): bump @storybook/core-server from 8.6.12 to 8.6.14 (#11094)

Bumps [@storybook/core-server](https://github.com/storybookjs/storybook/tree/HEAD/code/lib/core-server) from 8.6.12 to 8.6.14.
- [Release notes](https://github.com/storybookjs/storybook/releases)
- [Commits](https://github.com/storybookjs/storybook/commits/v8.6.14/code/lib/core-server)

---
updated-dependencies:
- dependency-name: "@storybook/core-server"
  dependency-version: 8.6.14
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -90,7 +90,7 @@
     "@storybook/addon-essentials": "8.6.12",
     "@storybook/addon-interactions": "8.6.12",
     "@storybook/angular": "8.6.12",
-    "@storybook/core-server": "8.6.12",
+    "@storybook/core-server": "8.6.14",
     "@storybook/manager-api": "8.6.14",
     "@storybook/theming": "8.6.12",
     "@types/ejs": "^3.1.5",