Bump peter-evans/repository-dispatch from 2 to 3

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]>

.github/workflows/ci.yaml

@@ -359,7 +359,7 @@ jobs:
           cache-to: type=gha,mode=max
           build-args: MIX_ENV=${{ env.MIX_ENV }}
       - name: Remotely trigger trento-web demo deployment
-        uses: peter-evans/repository-dispatch@v2
+        uses: peter-evans/repository-dispatch@v3
         with:
           token: ${{ secrets.PAT }}
           repository: ${{ github.repository_owner }}/web