Bump peter-evans/repository-dispatch from 2 to 3 (#658)

Bumps [peter-evans/repository-dispatch](https://github.com/peter-evans/repository-dispatch) from 2 to 3.
- [Release notes](https://github.com/peter-evans/repository-dispatch/releases)
- [Commits](peter-evans/repository-dispatch@v2...v3)

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

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

.github/workflows/deployment.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
     - name: Dispatch event to openhab-docs repository
-      uses: peter-evans/repository-dispatch@v2
+      uses: peter-evans/repository-dispatch@v3
       with:
         token: ${{ secrets.DOCS_REPO_ACCESS_TOKEN }}
         repository: openhab/openhab-docs