feat: add the action, tests and dependabot setup #1

	name: Test Setup Crossplane
	on:
	push:
	branches:
	- main
	paths:
	- action.yaml
	- .github/workflows/test-setup-crossplane.yml

	pull_request:
	branches:
	- main
	paths:
	- action.yaml
	- .github/workflows/test-setup-crossplane.yml
	types:
	- edited
	- opened
	- ready_for_review
	- synchronize

	merge_group:

	concurrency:
	group: "${{ github.workflow }}-${{ github.ref }}"
	cancel-in-progress: true

	jobs:
	setup-crossplane:
	runs-on: ubuntu-latest
	env:
	# generate a unique cache prefix for each test run, so we can test cache behaviour
	CACHE_PREFIX: crossplane-${{ github.run_id }}-${{ github.run_attempt }}

	strategy:
	matrix:
	cache-hit: [false, true]
	max-parallel: 1

	name: "Setup Crossplane (cache hit: ${{ matrix.cache-hit }})"

	steps:
	- name: Checkout code
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
	with:
	sparse-checkout: \|
	actions/setup-crossplane

	- name: "Setup Crossplane (cache: ${{ matrix.cache-hit }})"
	id: setup-crossplane
	uses: ./
	with:
	cache-prefix: ${{ env.CACHE_PREFIX }}
	version: v1.18.1

	- name: Assert cache
	if: fromJson(steps.setup-crossplane.outputs.cache-hit) != matrix.cache-hit
	run: \|
	echo "Expected cache hit: '${{ matrix.cache-hit }}' but got '${{ fromJson(steps.setup-crossplane.outputs.cache-hit) }}'"
	exit 1

	- name: Check Crossplane CLI works
	run: crossplane -h

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