Update last-successful branch #4879

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	# GH actions.
	# We use it to cover windows and mac builds
	# Jenkins is still the primary CI

	name: Update last-successful branch

	on:
	schedule:
	- cron: "0/15 * * * *"
	workflow_dispatch:

	concurrency:
	group: update-last-successful-branch
	cancel-in-progress: true

	jobs:
	update-last-successful-branch:
	if: github.repository == 'apache/tvm'
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v2
	- name: Update last-successful branch
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	set -eux
	python ci/scripts/github/update_branch.py \|\| echo step failed

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