ci: add missing permissions for release step #24

	name: back-compat

	on:
	push:
	branches: ["main"]

	permissions:
	contents: read

	env:
	GO_VERSION: '1.23.5'

	jobs:
	check-back-compat:
	name: build
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest]
	runs-on: ${{ matrix.os }}
	steps:
	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version: ${{ env.GO_VERSION }}
	- uses: actions/checkout@v4
	with:
	fetch-depth: 2
	- run: git checkout HEAD~1
	- name: build last commit
	run: \|
	go build -o hours_prev
	cp hours_prev /var/tmp
	rm hours_prev
	- run: git checkout main
	- name: build head
	run: \|
	go build -o hours_head
	cp hours_head /var/tmp
	rm hours_head
	- name: Run last version
	run: \|
	/var/tmp/hours_prev --dbpath=/var/tmp/throwaway-empty.db report 3d -p
	/var/tmp/hours_prev --dbpath=/var/tmp/throwaway-with-data.db gen -y
	- name: Run current version
	run: \|
	echo "empty"
	/var/tmp/hours_head --dbpath=/var/tmp/throwaway-empty.db report 3d -p
	/var/tmp/hours_head --dbpath=/var/tmp/throwaway-empty.db log 3d -p
	/var/tmp/hours_head --dbpath=/var/tmp/throwaway-empty.db stats 3d -p
	echo "with data"
	/var/tmp/hours_head --dbpath=/var/tmp/throwaway-with-data.db report 3d -p
	/var/tmp/hours_head --dbpath=/var/tmp/throwaway-with-data.db log 3d -p
	/var/tmp/hours_head --dbpath=/var/tmp/throwaway-with-data.db stats 3d -p

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