fix: Prevent throwing an exception if serviceUrl is not set #655

	# This is a basic workflow that is manually triggered
	name: Notify Discord

	# Controls when the action will run. Workflow runs when manually triggered using the UI or API.
	on:
	push:
	branches:
	- 'master'

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	send_webhook:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	# Runs a single command using the runners shell
	- name: Webhook
	env:
	webhook_url: ${{ secrets.DISCORD_WEBHOOK }}
	curl_options: '--fail -s'
	data: '{"username": "Github","content": "${{ github.actor }} pushed [${{ github.sha }}](https://github.com/${{ github.repository }}/commit/${{ github.sha }}) to ${{ github.ref_name }}"}'
	run: \|
	curl $curl_options \
	-H "Content-Type: application/json" \
	-H "User-Agent: GitHub-Action" \
	--data "$data" $webhook_url

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