make toolchain the same #17

	name: Auto merge main into fsrs-browser
	# Run on push to fsrs-browser to make CI pass when there's a merge conflict and manual merging is required.
	on:
	push:
	branches:
	- 'fsrs-browser'
	release:
	types: [published]

	jobs:
	auto-merge:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- name: Compute tag
	id: compute-tag
	run: \|
	set -e
	TAG=$(cat Cargo.toml \
	\| grep --extended-regexp "^version =" \
	\| grep --extended-regexp --only-matching "[0-9]+\.[0-9]+.[0-9]+[-\.\+a-zA-Z0-9]*" \
	\| head --lines=1)
	echo "tag=v$TAG" >> "$GITHUB_OUTPUT"

	- name: Set Git config
	run: \|
	git config --local user.email "[email protected]"
	git config --local user.name "Github Actions"

	- name: Merge main into fsrs-browser
	env:
	TAG: ${{ steps.compute-tag.outputs.tag }}
	run: \|
	git fetch --unshallow
	git checkout fsrs-browser
	git pull
	git merge origin/main -m "Auto-merge for $TAG"
	git push

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