add a `gm version` command #279

	name: 🌃 Nightly compatibility check

	on:
	pull_request:
	branches: [main]
	types: [opened, synchronize, reopened]

	jobs:
	check-merge:
	runs-on: ubuntu-latest
	steps:
	- name: Checking out repository
	uses: actions/checkout@v3
	- name: Docker Fix (for act)
	run: \|
	git fetch origin
	git reset --hard ${{ github.sha }}
	shell: bash
	if: ${{ env.ACT }}

	- uses: amtoine/[email protected]
	with:
	do_push: false

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