Update CI wording (#14586)

We want to include a link to the build.

.github/workflows/ci.yml

@@ -93,4 +93,4 @@ jobs:
         uses: discord-actions/message@v2
         with:
           webhookUrl: ${{ secrets.DISCORD_WEBHOOK_URL }}
-          message: 'Oh noes! A build on `next` failed!'
+          message: 'The [most recent build](<${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}>) on the `next` branch has failed.'