Sync ccf_specs.md with onflow/ccf RC2.20230810a #168

	name: "CDDL"

	# Remove default permissions.
	permissions: {}

	on:
	push:
	branches: [ main ]
	pull_request:
	# The branches below must be a subset of the branches above
	branches: [ main ]

	env:
	CCF_SPECS_DOCUMENT: ccf_specs.md
	EXTRACTED_CDDL: ccf_temp.cddl

	jobs:
	analyze:
	name: Check CDDL
	runs-on: ubuntu-latest
	permissions:
	actions: read
	contents: read
	security-events: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Install CDDL compiler
	run: cargo install cddl

	- name: Extract CDDL and print SHA256
	run: \|
	sed -n "/;CDDL-BEGIN/,/;CDDL-END/p" "${CCF_SPECS_DOCUMENT}" > "${EXTRACTED_CDDL}"
	sha256sum "${EXTRACTED_CDDL}"

	- name: Compile CDDL
	run: cddl compile-cddl --cddl "${EXTRACTED_CDDL}"

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