update all submodules #17

	# source: https://gist.github.com/Supercip971/467846d7b12444275dbb4ac71cc192c4
	name: update all submodules
	on: workflow_dispatch
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	persist-credentials: false
	fetch-depth: 0
	- name: Submodule update
	run: \|
	git submodule init
	git submodule update --remote --merge
	git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
	git config --local user.name "github-actions[bot]"
	git commit -m "update submodule" -a
	- name: Push changes
	uses: ad-m/github-push-action@master
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	branch: ${{ github.ref }}

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