chore(Storybook): mark Storybook updates as chore (#5937)

Author: Lukas742

.github/renovate.json

@@ -30,6 +30,10 @@
       "matchPackagePatterns": ["vite"],
       "excludePackageNames": ["@storybook/react-vite"]
     },
+    {
+      "extends": ["group:storybookMonorepo", "schedule:weekly"],
+      "semanticCommitType": "chore"
+    },
     {
       "description": "root package dependencies",
       "extends": ["schedule:weekly"],