chore: added dependabot "storybook-packages" group

Author: abernier

.github/dependabot.yml

@@ -27,6 +27,11 @@ updates:
           - 'rollup'
           - '@rollup/*'
           - 'rollup-plugin-*'
+      storybook-packages:
+        patterns:
+          - "storybook"
+          - "@storybook/*"
+          - "eslint-plugin-storybook"
 
       #
       # pkg.json "dependencies"