Feature/add trigger e2e tests dev (#256)

### Description
<!-- Describe what change this PR is implementing -->

### Types of Changes
<!--- What types of changes does your code introduce? -->
- [ ] Tech Debt (Code improvements)
- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Dependency upgrade (A change in substrate or any 3rd party crate
version)

### Migrations and Hooks
<!--- Check the following box with an x if the following applies: -->
- [ ] This change requires a runtime migration.
- [ ] Modifies `on_initialize`
- [ ] Modifies `on_finalize`

### Checklist
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requiring PR review -->
- [ ] Change has been tested locally.
- [ ] Change adds / updates tests.
- [ ] Changelog doc updated.

.github/workflows/stage.yaml

@@ -91,3 +91,26 @@ jobs:
         with:
           name: "cere_dev_runtime.compact.compressed.${{ env.GITHUB_SHA }}.wasm"
           path: "./${{ env.CERE_DEV_RUNTIME }}"
+
+  trigger-e2e-tests:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: 'Trigger e2e DDC tests'
+        uses: convictional/trigger-workflow-and-wait@v1.6.5
+        with:
+          owner: Cerebellum-Network
+          repo: ddc-api-e2e-simulations
+          github_token: ${{ secrets.GH_E2E_TOKEN }}
+          comment_github_token: ${{ secrets.GH_E2E_TOKEN }}
+          github_user: devops-cere
+          workflow_file_name: run-simulations-env-local-triggered.yml
+          client_payload: |-
+            {
+              "POS_NODE_VERSION": "dev-latest"
+            }
+          ref: master
+          propagate_failure: false
+          trigger_workflow: true
+          wait_workflow: false
+          comment_downstream_url: ${{ github.event.pull_request.comments_url }}