Bump peter-evans/repository-dispatch from 3 to 4

Bumps [peter-evans/repository-dispatch](https://github.com/peter-evans/repository-dispatch) from 3 to 4.
- [Release notes](https://github.com/peter-evans/repository-dispatch/releases)
- [Commits](peter-evans/repository-dispatch@v3...v4)

---
updated-dependencies:
- dependency-name: peter-evans/repository-dispatch
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/changelog.yml

@@ -46,7 +46,7 @@ jobs:
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     - name: Trigger Rebuild
-      uses: peter-evans/repository-dispatch@v3
+      uses: peter-evans/repository-dispatch@v4
       if: env.GIT_DIRTY != null && env.GIT_DIRTY != '0' && env.MIXXXBOT_TOKEN != null
       with:
         token: ${{ env.MIXXXBOT_TOKEN }}