fix(deps): downgrade storybook monorepo to v9.0.18 (#6585)

## 📄 Description

This PR reverts the Storybook upgrade from `v9.0.18` to `v9.1.16`

---

## 🔮 Design review

- [ ] Design review done
- [ ] No design review needed

## 📝 Checklist

- ✅ My code follows the style guidelines of this project
- 🛠️ I have performed a self-review of my own code
- 📄 I have made corresponding changes to the documentation
- ⚠️ My changes generate no new warnings or errors
- 🧪 I have added tests that prove my fix is effective or that my feature
works
- ✔️ New and existing unit tests pass locally with my changes

Author: alionazherdetska

packages/documentation/package.json

@@ -43,9 +43,9 @@
     "@open-wc/lit-helpers": "0.7.0",
     "@percy/cli": "1.31.4",
     "@percy/cypress": "3.1.6",
-    "@storybook/addon-docs": "9.1.16",
-    "@storybook/addon-links": "9.1.16",
-    "@storybook/web-components-vite": "9.1.16",
+    "@storybook/addon-docs": "9.0.18",
+    "@storybook/addon-links": "9.0.18",
+    "@storybook/web-components-vite": "9.0.18",
     "@swisspost/design-system-components-angular": "workspace:10.0.0-next.52",
     "@types/css-modules": "1.0.5",
     "@types/mdx": "2.0.13",
@@ -60,7 +60,7 @@
     "eslint-plugin-markdown": "5.1.0",
     "eslint-plugin-mdx": "3.1.5",
     "eslint-plugin-react": "7.37.5",
-    "eslint-plugin-storybook": "9.1.16",
+    "eslint-plugin-storybook": "9.0.10",
     "globals": "16.0.0",
     "lit": "3.3.1",
     "lit-html": "3.3.1",
@@ -72,7 +72,7 @@
     "rehype-slug": "6.0.0",
     "rimraf": "6.0.1",
     "sass-embedded": "1.78.0",
-    "storybook": "9.1.16",
+    "storybook": "9.0.18",
     "typescript": "5.8.3",
     "typescript-eslint": "8.20.0",
     "vite": "7.1.12"