message: web: Remove superfluous invocation argument
  I missed this in it produces warnings:
diff: @@ -192,7 +192,6 @@ jobs:
  SENTRY_DSN: ${{ secrets.WEB_CLIENT_SENTRY_DSN }}
  with:
  environment: staging
  - sentry_url_prefix: https://app-staging.stack.cards
  - name: Send success notification to Discord
  if: ${{ success() }}
  uses: ./.github/actions/discord-message
  