fix: remove esm support until fully working #693

	name: meta

	on:
	push:
	branches:
	- main
	pull_request:
	workflow_dispatch: # Allows manual invocation

	jobs:
	meta:
	runs-on: ubuntu-latest

	steps:
	# https://github.com/actions/checkout
	- name: Checkout
	uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # v3.0.2

	- name: Ensure third-party actions are pinned to commit SHAs
	run: \|
	result=$( \
	find .github -name '*.yml' \| \
	xargs grep -Ei 'uses:\s*[a-z0-9_.-]+\/[a-z0-9_.-]+@' \| \
	grep -Eiv '@[a-z0-9]{40}' \| \
	cat \
	)

	if [[ -z "$result" ]]
	then
	echo "Validated all third-party actions"
	else
	echo "Error: third-party GitHub actions MUST be pinned to a commit SHA."
	echo "$result"
	exit 1
	fi

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