Bump @storybook/theming in /stencil-workspace/storybook

Bumps [@storybook/theming](https://github.com/storybookjs/storybook/tree/HEAD/code/lib/theming) from 8.5.0 to 8.5.2.
- [Release notes](https://github.com/storybookjs/storybook/releases)
- [Commits](https://github.com/storybookjs/storybook/commits/v8.5.2/code/lib/theming)

---
updated-dependencies:
- dependency-name: "@storybook/theming"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Diff for: stencil-workspace/storybook/package-lock.json

@@ -11,7 +11,7 @@
     "@babel/preset-env": "^7.26.0",
     "@storybook/addon-docs": "^8.4.7",
     "@storybook/components": "^8.5.0",
-    "@storybook/theming": "^8.5.0",
+    "@storybook/theming": "^8.5.2",
     "@types/mdx": "^2.0.13",
     "lit-html": "^3.2.1"
   },