chore(deps): Bump @zendeskgarden/react-theming from 8.76.9 to 9.12.6

Bumps [@zendeskgarden/react-theming](https://github.com/zendeskgarden/react-components) from 8.76.9 to 9.12.6.
- [Release notes](https://github.com/zendeskgarden/react-components/releases)
- [Changelog](https://github.com/zendeskgarden/react-components/blob/main/CHANGELOG.md)
- [Commits](zendeskgarden/react-components@v8.76.9...v9.12.6)

---
updated-dependencies:
- dependency-name: "@zendeskgarden/react-theming"
  dependency-version: 9.12.6
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -36,7 +36,7 @@
         "@errors": "lib/errors"
     },
     "dependencies": {
-        "@zendeskgarden/react-theming": "^8.76.9",
+        "@zendeskgarden/react-theming": "^9.12.6",
         "react": "^16.14.0"
     },
     "devDependencies": {