run_attempt vice run_number

.github/workflows/deletedroplets.yml

@@ -23,7 +23,7 @@ jobs:
           webhook_token: ${{ secrets.DISCORD_WEBHOOK_TOKEN }}
           color: "#42f545"
           username: "GitHub Bot"
-          message: "${{ github.repository }}: ${{ github.event.workflow_run.name }} was successful: droplets from this workflow (tag ${{ github.event.workflow_run.id }}-{{ $github.event.workflow_run.run_number }}) will be deleted in 15 min"
+          message: "${{ github.repository }}: ${{ github.event.workflow_run.name }} was successful: droplets from this workflow (tag ${{ github.event.workflow_run.id }}-${{ github.event.workflow_run.run_attempt }}) will be deleted in 15 min"
           file: ./results/results.log
       - name: delete droplets
         if: success() || failure()