Send a repository_dispatch event to the bpmn-visualization-examples a…

…fter demo archive build

.github/workflows/upload-demo-archive.yml

@@ -45,4 +45,19 @@ jobs:
         with:
           name: demo-${{github.sha}}
           path: build/demo
+      - name: Get the version
+        id: get_version
+        run: echo ::set-output name=VERSION::${GITHUB_REF#refs/tags/v*}
+      - name: Repository Dispatch
+        uses: peter-evans/repository-dispatch@v1
+        with:
+          token: ${{ secrets.GH_RELEASE_TOKEN }}
+          repository: process-analytics/bpmn-visualization-examples
+          event-type: update_bpmn_visualization_version
+          client-payload: '{
+              "build_demo_repo": "${{ github.repository }}",
+              "build_demo_workflow_id": "upload-demo-archive.yml",
+              "demo_sha": "${{ github.sha }}",
+              "version": "${{ steps.get_version.outputs.VERSION }}"
+            }'