chore(deps): update storybook monorepo to v6.4.21

Author: renovate-bot

package.json

@@ -53,10 +53,10 @@
     "@emotion/babel-preset-css-prop": "10.2.1",
     "@percy-io/percy-storybook": "2.1.0",
     "@rollup/plugin-node-resolve": "13.1.3",
-    "@storybook/addon-actions": "6.4.19",
+    "@storybook/addon-actions": "6.4.21",
     "@storybook/addon-info": "6.0.0-alpha.2",
-    "@storybook/addon-links": "6.4.19",
-    "@storybook/react": "6.4.19",
+    "@storybook/addon-links": "6.4.21",
+    "@storybook/react": "6.4.21",
     "@testing-library/cypress": "8.0.2",
     "@travi/any": "2.0.20",
     "@travi/babel-preset": "3.0.82",