Bump chromaui/action from 13 to 15 (#345)

Bumps [chromaui/action](https://github.com/chromaui/action) from 13 to 15.
- [Release notes](https://github.com/chromaui/action/releases)
- [Changelog](https://github.com/chromaui/action/blob/main/CHANGELOG.md)
- [Commits](chromaui/action@v13...v15)

---
updated-dependencies:
- dependency-name: chromaui/action
  dependency-version: '15'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -57,7 +57,7 @@ jobs:
 
       - name: Storybook deploy
         if: ${{ env.CHROMATIC_PROJECT_TOKEN }}
-        uses: chromaui/action@v13
+        uses: chromaui/action@v15
         with:
           autoAcceptChanges: main
           branchName: ${{ env.CHROMATIC_BRANCH}}