chore(deps-dev): bump @storybook/addon-storysource from 7.6.2 to 7.6.8 (

#4147)

Bumps [@storybook/addon-storysource](https://github.com/storybookjs/storybook/tree/HEAD/code/addons/storysource) from 7.6.2 to 7.6.8.
- [Release notes](https://github.com/storybookjs/storybook/releases)
- [Changelog](https://github.com/storybookjs/storybook/blob/next/CHANGELOG.md)
- [Commits](https://github.com/storybookjs/storybook/commits/v7.6.8/code/addons/storysource)

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

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

package.json

@@ -155,7 +155,7 @@
     "@storybook/addon-essentials": "7.6.2",
     "@storybook/addon-interactions": "7.6.4",
     "@storybook/addon-links": "7.6.2",
-    "@storybook/addon-storysource": "7.6.2",
+    "@storybook/addon-storysource": "7.6.8",
     "@storybook/addon-styling": "1.3.7",
     "@storybook/csf": "0.1.2",
     "@storybook/jest": "0.2.3",