chore(gha): bump peter-evans/create-pull-request from 7 to 8 (#635)

Author: dependabot[bot]

.github/workflows/update_bpmn_visualization_version.yml

@@ -66,7 +66,7 @@ jobs:
           name: ${{ env.ARTIFACT_NAME }}
           path: demo/load-and-navigation
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           token: ${{ secrets.GH_RELEASE_TOKEN }}
           commit-message: "chore(deps): bump bpmn-visualization to ${{ env.VERSION }}"