changed dispatch-action for repository-dispatch (pybamm-team#4643) (p…

…ybamm-team#4661)

.github/workflows/validation_benchmarks.yml

@@ -13,13 +13,14 @@ jobs:
     name: Dispatch to `pybamm-validation`
     runs-on: ubuntu-latest
     steps:
-      - uses: mvasigh/dispatch-action@7d246d27377b345bd9c58646c51641bec9c7435c # 1.1.6
+      - uses: peter-evans/repository-dispatch@ff45666b9427631e3450c54a1bcbee4d9ff4d7c0 # v3.0.0
         with:
           token: ${{ secrets.BENCHMARKS_ACCESS_TOKEN }}
-          repo: pybamm-validation
-          owner: pybamm-team
-          event_type: ${{ github.event_name }}
-          message: |
+          repository: pybamm-team/pybamm-validation
+          event-type: ${{ github.event_name }}
+          client-payload: |-
             {
-              "commit_hash": "$GITHUB_SHA"
+              "message": {
+                "commit_hash": "$GITHUB_SHA"
+              }
             }