chore(deps): update storybook monorepo to v8.6.12

Author: renovate[bot]

package.json

@@ -25,13 +25,13 @@
     "@changesets/changelog-github": "0.5.0",
     "@changesets/cli": "2.27.11",
     "@rollup/plugin-alias": "5.1.1",
-    "@storybook/addon-essentials": "8.4.2",
-    "@storybook/addon-links": "8.4.2",
-    "@storybook/core-common": "8.4.2",
-    "@storybook/nextjs": "8.4.2",
-    "@storybook/preview-api": "8.4.2",
-    "@storybook/react": "8.4.2",
-    "@storybook/theming": "8.4.2",
+    "@storybook/addon-essentials": "8.6.12",
+    "@storybook/addon-links": "8.6.12",
+    "@storybook/core-common": "8.6.12",
+    "@storybook/nextjs": "8.6.12",
+    "@storybook/preview-api": "8.6.12",
+    "@storybook/react": "8.6.12",
+    "@storybook/theming": "8.6.12",
     "@svgr/webpack": "8.1.0",
     "@theguild/eslint-config": "0.13.2",
     "@theguild/prettier-config": "3.0.0",
@@ -55,7 +55,7 @@
     "pretty-quick": "4.0.0",
     "react": "18.3.1",
     "react-dom": "18.3.1",
-    "storybook": "8.4.2",
+    "storybook": "8.6.12",
     "storybook-dark-mode": "4.0.2",
     "style-loader": "4.0.0",
     "tailwindcss": "3.4.17",