chore(deps): update storybook monorepo to v6

Author: renovate-bot

package.json

@@ -25,10 +25,10 @@
     "yargs": "^11.0.0"
   },
   "devDependencies": {
-    "@storybook/addon-actions": "^3.4.6",
+    "@storybook/addon-actions": "6.0.16",
     "@storybook/addon-console": "^1.0.0",
-    "@storybook/addon-knobs": "^3.4.6",
-    "@storybook/react": "4.0.0-alpha.8",
+    "@storybook/addon-knobs": "6.0.16",
+    "@storybook/react": "6.0.16",
     "@types/apollo-codegen": "^0.16.0",
     "@types/graphql": "^0.13.1",
     "@types/jest": "^23.0.0",