chore(deps-dev): bump @storybook/addon-knobs from 6.1.21 to 6.2.9 (#607)

Bumps [@storybook/addon-knobs](https://github.com/storybookjs/storybook/tree/HEAD/addons/knobs) from 6.1.21 to 6.2.9.
- [Release notes](https://github.com/storybookjs/storybook/releases)
- [Changelog](https://github.com/storybookjs/storybook/blob/v6.2.9/CHANGELOG.md)
- [Commits](https://github.com/storybookjs/storybook/commits/v6.2.9/addons/knobs)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -41,7 +41,7 @@
   },
   "devDependencies": {
     "@babel/core": "7.13.10",
-    "@storybook/addon-knobs": "6.1.21",
+    "@storybook/addon-knobs": "6.2.9",
     "@storybook/addon-storysource": "6.2.9",
     "@storybook/addons": "6.2.9",
     "@storybook/react": "6.2.9",