docs: add workflow to auto update docs (#541) #1

	# this workflow is used to update the Regal content at docs.styra.com
	# when it changes in this repo.
	name: Update Docs

	on:
	push:
	branches:
	- main

	jobs:
	update-docs:
	name: Update Docs
	runs-on: ubuntu-22.04
	steps:
	- name: Check out code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Generate GitHub App Token
	id: generate_token
	uses: tibdex/github-app-token@v2
	with:
	app_id: ${{ secrets.PLATFORM_AUTOMATION_GH_APP_ID }}
	private_key: ${{ secrets.PLATFORM_AUTOMATION_GH_APP_PEM_KEY }}

	- name: Trigger Update in docs repo
	run: \|
	curl -X "POST" "https://api.github.com/repos/StyraInc/docs/actions/workflows/update-regal.yaml/dispatches" \
	-H 'Accept: application/vnd.github+json' \
	-H 'Authorization: Bearer ${{ steps.generate_token.outputs.token }}' \
	-H 'X-Github-Api-Version: 2022-11-28' \
	-H 'Content-Type: application/json; charset=utf-8' \
	-d '{
	"ref": "main",
	"inputs": {
	"version": "latest"
	}
	}'

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