chore(deps-dev): bump @storybook/addon-viewport from 6.3.12 to 6.4.7 (#…

…2971)

Bumps [@storybook/addon-viewport](https://github.com/storybookjs/storybook/tree/HEAD/addons/viewport) from 6.3.12 to 6.4.7.
- [Release notes](https://github.com/storybookjs/storybook/releases)
- [Changelog](https://github.com/storybookjs/storybook/blob/v6.4.7/CHANGELOG.md)
- [Commits](https://github.com/storybookjs/storybook/commits/v6.4.7/addons/viewport)

---
updated-dependencies:
- dependency-name: "@storybook/addon-viewport"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

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

package.json

@@ -67,7 +67,7 @@
     "@storybook/addon-links": "6.3.12",
     "@storybook/addon-storyshots": "6.3.12",
     "@storybook/addon-toolbars": "6.3.12",
-    "@storybook/addon-viewport": "6.3.12",
+    "@storybook/addon-viewport": "6.4.7",
     "@storybook/addons": "6.3.12",
     "@storybook/html": "6.3.12",
     "@storybook/preset-scss": "^1.0.3",