[ci] Fix incorre pr number for experimental scripts

On Status events the commit that is associated with the event
is the latet one on master not the one that is
associated with that particular status

.github/workflows/scripts.yml

@@ -9,15 +9,10 @@ jobs:
     if: github.event.state == 'success' && github.event.sender.login == 'netlify[bot]' && github.event.description == 'Deploy preview ready!'
     runs-on: ubuntu-latest
     steps:
-      - name: Find PR associated with this push
-        uses: jwalton/gh-find-current-pr@v1
-        id: findPr
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run mui-scripts a11y-snapshot
         uses: peter-evans/repository-dispatch@v1
         with:
           token: ${{ secrets.MUI_SCRIPTS_INCUBATOR }}
           repository: eps1lon/mui-scripts-incubator
           event-type: a11y-snapshot
-          client-payload: '{ "pr_number": "${{ steps.findPr.outputs.pr }}"}'
+          client-payload: '{ "target_url": "${{ github.event.target_url }}" }'