chore(deps-dev): bump @storybook/storybook-deployer from 2.8.3 to 2.8.8

Bumps [@storybook/storybook-deployer](https://github.com/storybooks/storybook-deployer) from 2.8.3 to 2.8.8.
- [Release notes](https://github.com/storybooks/storybook-deployer/releases)
- [Changelog](https://github.com/storybookjs/storybook-deployer/blob/master/CHANGELOG.md)
- [Commits](storybook-eol/storybook-deployer@v2.8.3...v2.8.8)

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

Author: dependabot-preview[bot]

package.json

@@ -65,7 +65,7 @@
     "@storybook/preset-create-react-app": "^3.0.1",
     "@storybook/preset-typescript": "^3.0.0",
     "@storybook/react": "^6.1.21",
-    "@storybook/storybook-deployer": "^2.8.3",
+    "@storybook/storybook-deployer": "^2.8.8",
     "customize-cra": "^1.0.0",
     "eslint": "^6.8.0",
     "husky": "^6.0.0",