chore(licence): normalise to MPL-2.0 + CC-BY-SA-4.0 (canonical pair) … #226

	# SPDX-License-Identifier: MPL-2.0
	name: Haskell CI

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu-latest
	permissions:
	contents: read

	steps:
	- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
	- uses: haskell-actions/setup@cd0d9bdd65b20557f41bea4dbe43d0b5fbbfe553 # v2.11.0
	with:
	ghc-version: '9.8.2'
	cabal-version: '3.10'

	- name: Cache
	uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
	env:
	cache-name: cache-cabal
	with:
	path: ~/.cabal
	key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('*/.cabal') }}-${{ hashFiles('**/cabal.project') }}
	restore-keys: \|
	${{ runner.os }}-build-${{ env.cache-name }}-
	${{ runner.os }}-build-
	${{ runner.os }}-

	- name: Install dependencies
	run: \|
	cabal update
	cabal build --only-dependencies --enable-tests --enable-benchmarks
	- name: Build
	run: cabal build --enable-tests --enable-benchmarks all
	- name: Run tests
	run: cabal test all

Provide feedback